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Metadata for MCD70

Table of Contents

Identification_Information
     Abstract 
     Purpose 
     Supplemental Information 
Data_Quality_Information
Spatial_Data_Organization_Information
Entity_and_Attribute_Information
     Detailed Description
     Overview 
Distribution_Information
Metadata_Reference_Section


Identification_Information

Citation_Information Originator: Institute for a Sustainable Environment Lab - University of Oregon (ISE) Publication_Date: March 1999 Title: CCD70 - 1970 Population by Census County Divisions Edition: 1 Geospatial_Data_Presentation_Format: Spatial dataset Publication_Information Publication_Place: Eugene Publisher: ISE Online_Linkage: PNWERC

Description Abstract This is a polygon coverage of Census County Divisions in the Willamette River Basin. It was digitized and attributed using the 1970 Census of Population published by the US Bureau of the Census. This coverage shows the 1970 CCD boundaries and selected population characteristics of each reporting unit. Purpose This coverage is intended as a thematic data layer showing the boundaries of the CCDs in 1970. This map is displayed in the Willamette River Basin Planning Atlas (PNW-ERC, 1998). Supplemental_Information Procedures_Used 1970 Census data was entered to create a DBF file. This file includes CCD precinct name and population. (MCD_CODE was added later). The polygonal geometry was digitized from the 1970 Oregon CCD map published by the U.S. Bureau of the Census in 1973. 1.) scan section of map that applies to WRB. 2.) clean up image using Photoshop 3.) IMAGEGRID 4.) GRIDLINE 5.) screen digitize over dashed lines using ArcInfo. 6.) after digitized, a topology is established. this function creates unique identities for each polygon. 7.) map is tested for polygon errors through an internal editing function and a clean coverage is created with no dangles. linework is checked. 8.) georeference coverage to UTM coordinates. a.) add identifyable tics that can be referenced to known coverages (counties, rivers, cities)...coverage must be populated with as many tics as possible and spaced relatively even across the coverage. (55 tics were added) b.) UPDATE coordinates of added tics to equal that of known coverages c.) TRANSFORM digitized coverage d.) rubbersheet coverage by ADDing links and using ADJUST. (may need to be repeated until coverage is as close as possible). 9.) attribute polygons with MCD_CODE 10.) link geometry to tabular data using ArcView 11.) calculate population density a.) AREA (sq.meters) / 1,000,000 = sq.kilometers b.) AREA (sq.km.) x 0.386102158496 = sq.miles c.) POPULATION / AREA (sq.miles) Revisions 1 Reviews_Applied_to_Data Cartographic products were reviewed by two in-house teams, and by an outside panel of experts convened by the EPA. Related_Spatial_and_Tabular_Data_Sets Explanations for MCD_CODE attribute: MCD_CODE range COUNTY 11000 - 11999 Benton County 12000 - 12999 Clackamas County 13000 - 13999 Columbia County 14000 - 14999 Douglas County 15000 - 15999 Lane County 16000 - 16999 Lincoln County 17000 - 17999 Linn County 18000 - 18999 Marion County 19000 - 19999 Multnomah County 20000 - 20999 Polk County 21000 - 21999 Tillamook County 22000 - 22999 Washington County 23000 - 23999 Yamhill County MCD_CODE was used to link the tabular data with the spatial data. References_Cited U.S. Depaartment of Commerce. 1973. 1970 Census of Population. Vol. I. Pt. 39. U.S. Govt. Printing Office, Washington D.C.. Notes Population density was calculated first, then the coverage was clipped to the WRB boundary. This means that the population density calculation for any CCD that extends beyond the WRB boundary shows the pop. den. of the entire CCD. In cases where cities are only represented by a small circle on the map (no geometry available) the population for that city was added to the surrounding precinct when making the population density calculations. In cases where several polygons make up a single precinct, the POPULATION and POP_DEN fields are reported as the value for the entire precinct in all included polygons. Time_Period_of_Content Range_of_Dates/Times Beginning_Date: 1970 Ending_Date: 1970 Currentness_Reference n/a Status Progress: Final Maintenance_and_Update_Frequency none planned Spatial_Domain Bounding_Coordinates West_Bounding_Coordinate: -124.04969917 East_Bounding_Coordinate: -121.63520662 North_Bounding_Coordinate: 45.99329775 South_Bounding_Coordinate: 43.1219232

Keywords Theme Theme_Keyword_Thesaurus: None Theme_Keyword: Willamette River Basin, 1970 population density Place Place_Keyword_Thesaurus: None Place_Keyword: Willamette River Basin Stratum Stratum_Keyword_Thesaurus: None Stratum_Keyword: Temporal Temporal_Keyword_Thesaurus: None Temporal_Keyword:

Access_Constraints n/a Use_Constraints The large spatial extent of the reporting unit sharply limits the ability of these data to represent the distribution of humans in the study area. Point_of_Contact: See Distribution_Information for contact information.

Data_Set_Credit Data Services Lab -- University of Oregon Security_Information Security_Classification_System: None Security_Classification: UNCLASSIFIED Security_Handling_Description: None

Native_Data_Set_Environment: SunOS UNIX, ARC/INFO version 7.1.2

Cross_Reference Originator: UO-ISE GIS Lab. Publication_Date: March 1999 Publication_Time: Title: 1970 Population by Census County Divisions Edition: Geospatial_Data_Presentation_Form: spatial dataset Series_Information Series_Name: Issue_Identification: Publication_Information Publication_Place: Eugene Publisher: ISE Other_Citation_Details: Online_Linkage: Larger_Work_Citation:
Cross_Reference Originator: U.S. Department of Commerce, Bureau of the Census Publication_Date: 1973 Publication_Time: Title: 1970 Census of Population and Housing Edition: Geospatial_Data_Presentation_Form: Series_Information Series_Name: Issue_Identification: Publication_Information Publication_Place: Washington, D.C. Publisher: U.S. Govt. Printing Office Other_Citation_Details: Online_Linkage: Larger_Work_Citation:


Data_Quality_Information

Attribute_Accuracy Attribute_Accuracy_Report: See Entity_Attribute_Information

Quantitative_Attribute_Accuracy_Assessment Attribute_Accuracy_Value: See Explanation Attribute_Accuracy_Explanation: Attribute accuracy is described, where present, with each attribute defined in the Entity and Attribute Section.

Logical_Consistency_Report: Polygon and chain-node topology present.

Completeness_Report Positional_Accuracy Horizontal_Positional_Accuracy Horizontal_Positional_Accuracy_Report: The original manuscript provided no information as to the map projection used, and no accuracy information. In transfering it to digital form, few contemporaneous control points were available, and modern county boundaries were primarily used instead. An extensive and repeated process of linking digitized features to presumed modern correlates was used to adjust the digitized manuscript until no improvement in average error was achievable. Sampled locations indicate an average horizontal position disagreement with modern locations of approximately 500 m, with some as high as one kilometer.
Quantitative_Horizontal_Positional_Accuracy_Assessment: Horizontal_Positional_Accuracy_Value: meters Horizontal_Positional_Accuracy_Explanation: Resolution as reported
Vertical_Positional_Accuracy Vertical_Positional_Accuracy_Report: n/a Lineage: See Supplemental_Information for overview.

Process_Steps Process_Step Process_Description: ISEERC CREATE MCD70_TIC MCD70 Source_Used_Citation_Abbreviation:None Process_Date: 19980323 Process_Time: 1529 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC TRANSFORM MCD70_TFM MCD70_TIC Source_Used_Citation_Abbreviation:None Process_Date: 19980323 Process_Time: 1615 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_TIC Source_Used_Citation_Abbreviation:None Process_Date: 19980323 Process_Time: 1637 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC COPY MCD70_TIC MCD70 Source_Used_Citation_Abbreviation:None Process_Date: 19980323 Process_Time: 1702 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC COPY MCD70 MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980323 Process_Time: 1703 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980323 Process_Time: 1831 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980323 Process_Time: 1831 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC CLEAN MCD70_WRK MCD70_CLN Source_Used_Citation_Abbreviation:None Process_Date: 19980323 Process_Time: 1835 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC CREATELABELS MCD70_CLN Source_Used_Citation_Abbreviation:None Process_Date: 19980323 Process_Time: 1835 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_CLN Source_Used_Citation_Abbreviation:None Process_Date: 19980323 Process_Time: 1839 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_CLN Source_Used_Citation_Abbreviation:None Process_Date: 19980323 Process_Time: 1845 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC COPY MCD70_CLN MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1501 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC BUILD MCD70_WRK POLY Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1502 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1506 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1507 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC BUILD MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1507 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1616 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1617 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1643 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1656 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1706 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1748 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1811 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1846 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1858 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1923 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 1940 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980324 Process_Time: 2012 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980325 Process_Time: 1315 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC BUILD MCD70_WRK POLY Source_Used_Citation_Abbreviation:None Process_Date: 19980325 Process_Time: 1315 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980325 Process_Time: 1600 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980325 Process_Time: 1802 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC BUILD MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980326 Process_Time: 2037 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1503 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1504 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1505 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1506 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1507 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1721 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1723 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC BUILD MCD70_WRK POLY Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1724 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1804 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC BUILD MCD70_WRK POLY Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1804 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1809 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC ARCEDIT /HOME/ISE/MR/MCD/TEMP/MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1838 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC BUILD MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1838 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC PROJECTDEFINE COVER MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1841 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC PROJECTDEFINE COVER MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1843 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC PROJECTDEFINE COVER MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1844 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC PROJECTDEFINE COVER MCD70_WRK Source_Used_Citation_Abbreviation:None Process_Date: 19980327 Process_Time: 1846 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC COPY /HOME/ISE/MR/MCD/TEMP/MCD70_WRK MCD70 Source_Used_Citation_Abbreviation:None Process_Date: 19980414 Process_Time: 1241 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC DOCUMENT MCD70 CREATE ISEERC Source_Used_Citation_Abbreviation:None Process_Date: 19980609 Process_Time: 1429 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC DOCUMENT MCD70 UPDATE ISEERC Source_Used_Citation_Abbreviation:None Process_Date: 19980609 Process_Time: 1550 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC DOCUMENT MCD70 UPDATE ISEERC Source_Used_Citation_Abbreviation:None Process_Date: 19980618 Process_Time: 1037 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ISEERC DOCUMENT MCD70 UPDATE ISEERC Source_Used_Citation_Abbreviation:None Process_Date: 19980618 Process_Time: 1117 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: MELRICH COPY /ISE3/WRB/MCD70 MCD70 Source_Used_Citation_Abbreviation:None Process_Date: 19990223 Process_Time: 1616 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: MELRICH DOCUMENT MCD70 UPDATE MELRICH Source_Used_Citation_Abbreviation:None Process_Date: 19990303 Process_Time: 1842 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: MELRICH DOCUMENT MCD70 UPDATE MELRICH Source_Used_Citation_Abbreviation:None Process_Date: 19990303 Process_Time: 1903 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ALLANB COPY /ISE7/STAFF/MEL/METADATA/MCD70 MCD70 Source_Used_Citation_Abbreviation:None Process_Date: 19990310 Process_Time: 1131 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ALLANB DOCUMENT MCD70 UPDATE ALLANB Source_Used_Citation_Abbreviation:None Process_Date: 19990317 Process_Time: 919 Source_Produced_Citation_Abbreviation: None

Cloud_Cover n/a


Spatial_Data_Organization_Information

Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information SDTS_Terms_Description SDTS_Point_and_Vector_Object_Type: Point Point_and_Vector_Object_Count: 268 SDTS_Point_and_Vector_Object_Type: String Point_and_Vector_Object_Count: 1436 SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains' Point_and_Vector_Object_Count: 269


Spatial_Reference_Information

Horizontal_Coordinate_System_Definition
    Planar
        Grid_Coordinate_System
        Grid_Coordinate_System_Name: Universal_Transverse_Mercator (UTM)
           Zone_Number: 10
        Planar_Distance_Units: METERS
    Geodetic Model
        Horizontal_Datum_Name:
        Ellipsoid_Name:  Clarke 1866
        Semi-major_Axis: 6,378,206.4
        Denominator_of_Flattening: 294.98


Entity_and_Attribute_Information

Detailed_Description Entity_Type Entity_Type_Label: MCD70.PAT Entity_Type_Definition: Census civil division polygon attributes Entity_Type_Definition_Source: ARC/INFO Attribute: Attribute_Label: - Attribute_Definition: Census civil division polygon attributes Attribute_Definition_Source: ARC/INFO Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: - Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: AREA Attribute_Definition: Area of poly/region in square coverage units Attribute_Definition_Source: Computed Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Positive real numbers Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: PERIMETER Attribute_Definition: Perimeter of poly/region in coverage units Attribute_Definition_Source: Computed Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Positive real numbers Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: MCD70# Attribute_Definition: Internal feature number Attribute_Definition_Source: Computed Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Sequential unique positive integer Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: MCD70-ID Attribute_Definition: User-assigned feature number Attribute_Definition_Source: User-defined Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Integer Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: MCD_CODE Attribute_Definition: A number given to each polygon identifing the county and CCD Attribute_Definition_Source: UO-ISE GIS Lab. Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: POPULATION Attribute_Definition: Total population of the CCD Attribute_Definition_Source: U.S. Dept. of Commerce, Bureau of the Census Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: POP_DEN Attribute_Definition: Population density, persons per square mile Attribute_Definition_Source: U.S. Dept. of Commerce, Bureau of the Census Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: COUNTY Attribute_Definition: County name Attribute_Definition_Source: Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Entity_Type Entity_Type_Label: MCD70.AAT Entity_Type_Definition: Attribute table of MCD70. Entity_Type_Definition_Source: ARC/INFO Attribute: Attribute_Label: - Attribute_Definition: Attribute table of MCD70. Attribute_Definition_Source: ARC/INFO Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: - Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: FNODE# Attribute_Definition: Internal number of from-node Attribute_Definition_Source: Computed Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Sequential unique positive integer Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: TNODE# Attribute_Definition: Internal number of to-node Attribute_Definition_Source: Computed Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Sequential unique positive integer Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: LPOLY# Attribute_Definition: Internal number of poly to left of arc Attribute_Definition_Source: Computed Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Sequential unique positive integer Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: RPOLY# Attribute_Definition: Internal number of poly to right of arc Attribute_Definition_Source: Computed Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Sequential unique positive integer Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: LENGTH Attribute_Definition: Length of arc in coverage units Attribute_Definition_Source: Computed Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Positive real numbers Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: MCD70# Attribute_Definition: Internal feature number Attribute_Definition_Source: Computed Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Sequential unique positive integer Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: MCD70-ID Attribute_Definition: User-assigned feature number Attribute_Definition_Source: User-defined Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Integer Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source:

Overview_Description Entity_and_Attribute_Overview COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME INDEXED? 1 AREA 4 12 F 3 - 5 PERIMETER 4 12 F 3 - 9 MCD70# 4 5 B - - 13 MCD70-ID 4 5 B - - 17 MCD_CODE 4 10 B - - 21 POPULATION 10 10 I - - 31 POP_DEN 10 10 N 3 - 41 COUNTY 16 16 C - - MCD_CODE was added to give each MCD polygon a unique code which could identify the county it belongs in and the Census County Division precinct. The codes listed in this attribute are explained in the supporting table: CCD_CODE. (See section 7). COUNTY was added to make it easier to determine which county the MCDs belong to. POPULATION was added when the spatial data-set was joined to the tabular data. In cases where several polygons make up one precinct, the population value is the same for the individual polygons of one precinct. POP_DEN was derived from transforming the AREA (sq. meters) to area in sq. miles, then dividing it into the total population of each MCD. This field is reported in person/sq.mi. Entity_and_Attribute_Detail_Citation: Not Available


Distribution_Information

Distributor
    Contact_Person_Primary
        Contact_Person: David Hulse
        Contact_Organization: Institute for a Sustainable Environment
    Contact_Position: Director
 
    Contact_Address
        Address_Type: mailing and physical address
        Address: 5249 University of Oregon
        City: Eugene
        State_or_Province: OR
        Postal_Code: 97403-5249
        Country: USA
 
    Contact_Voice_Telephone: 541-346-3634
 
 
    Contact_Facsimile_Telephone: 541-346-3626 (Attn: D. Hulse)
    Contact_Electronic_Mail_Address: dhulse@darkwing.uoregon.edu
 
    Hours_of_Service: 8:30 A - 4:30 P
 
 
Resource_Description: Data sets produced at UO for the EPA PNW ERC
 
Distribution_Liability: none
 
Standard_Order_Process
    Digital_Form
        Digital_Transfer_Information
        Format_Name: ArcInfo 7.1.2 Unix raster grids
        Format_Information_Content: AI 7.1.2 UNIX workspace in tar format
        File_Decompression_Technique: unix compress
 
        Format_Name: ArcInfo Unix 7.1.2 vector coverages
        Format_Information_Content: Export format
        File_Decompression_Technique:  
        Digital_Transfer_Option
        Online_Option
        Computer_Contact_Information
        Network_Address
        Network_Resource_Name: OSU For. Sci. Lab.
 

Available_Time_Period
    Beginning_Date/Time: March 1999
    Ending_Date/Time: Open
 

Metadata_Reference_Section

Metadata_Date: 19990317 Metadata_Contact: Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: 19940608 Metadata_Time_Convention: Local Time Metadata_Security_Information: Metadata_Security_Classification_System: None Metadata_Security_Classification: UNCLASSIFIED Metadata_Security_Handling_Description: None

Last modified: 99-03-17.09:33:02.Wed