-------------------------------------------------------------------------------- Codebook for NHGIS data file 'nhgis0004_ds1_1790_county' -------------------------------------------------------------------------------- Contents - Data Summary - Data Dictionary - Citation and Use Additional documentation on NHGIS data sources is available at: https://www.nhgis.org/documentation/tabular-data -------------------------------------------------------------------------------- Data Summary -------------------------------------------------------------------------------- Year: 1790 Geographic level: County (by State) Dataset: 1790 Census: Population Data [US, States & Counties] NHGIS code: 1790_cPop NHGIS ID: ds1 Tables: 1. Race/Slave Status Universe: Persons Source code: NT6 NHGIS code: AAQ 2. Families by Slaveholding Status by Race Universe: Families Source code: NT14 NHGIS code: AAE 3. White Family Members by Slaveholding Status Universe: White Family Members Source code: NT15 NHGIS code: AAF 4. Average Number of Members in White Families by Slaveholding Status Universe: White Families Source code: NT16 NHGIS code: AAG 5. Percent of Families by Slaveholding Status by Race Universe: Families Source code: NT17 NHGIS code: AAH 6. Total Number of Slaves Universe: Slaves Source code: NT18 NHGIS code: AAI -------------------------------------------------------------------------------- Data Dictionary -------------------------------------------------------------------------------- Context Fields GISJOIN: GIS Join Match Code YEAR: Data File Year STATE: State Name STATEA: State Code COUNTY: County Name COUNTYA: County Code AREANAME: Area name Table 1: Race/Slave Status Universe: Persons Source code: NT6 NHGIS code: AAQ AAQ001: Non-White: Free AAQ002: Non-White: Slave AAQ003: White Table 2: Families by Slaveholding Status by Race Universe: Families Source code: NT14 NHGIS code: AAE AAE001: Slaveholding family >> White AAE002: Slaveholding family >> Free Colored AAE003: Non-slaveholding family >> White AAE004: Non-slaveholding family >> Free Colored Table 3: White Family Members by Slaveholding Status Universe: White Family Members Source code: NT15 NHGIS code: AAF AAF001: Slaveholding family AAF002: Non-slaveholding family Table 4: Average Number of Members in White Families by Slaveholding Status Universe: White Families Source code: NT16 NHGIS code: AAG AAG001: Number of family members >> Slaveholding family AAG002: Number of family members >> Non-slaveholding family Table 5: Percent of Families by Slaveholding Status by Race Universe: Families Source code: NT17 NHGIS code: AAH AAH001: Slaveholding family >> White AAH002: Slaveholding family >> Free Colored AAH003: Non-slaveholding family >> White AAH004: Non-slaveholding family >> Free Colored Table 6: Total Number of Slaves Universe: Slaves Source code: NT18 NHGIS code: AAI AAI001: Total -------------------------------------------------------------------------------- Citation and Use of NHGIS Data -------------------------------------------------------------------------------- All persons are granted a limited license to use this documentation and the accompanying data, subject to the following conditions: * Publications and research reports employing NHGIS data (either tabular or GIS) must cite it appropriately. The citation should include the following: Minnesota Population Center. National Historical Geographic Information System: Version 2.0. Minneapolis, MN: University of Minnesota 2011. * Publications and research reports employing school attendance areas data (either tabular or GIS) must cite it appropriately. The citation should include the following: The College of William and Mary and the Minnesota Population Center. School Attendance Boundary Information System (SABINS): Version 1.0. Minneapolis, MN: University of Minnesota 2011. * If possible, citations should also include the URL for the NHGIS site: https://www.nhgis.org/ * If possible, citations involving school attendance areas should also include the URL for the SABINS site: http://www.sabinsdata.org/ In addition, we request that users send us a copy of any publications, research reports, or educational material making use of the data or documentation. Printed matter should be sent to: NHGIS Minnesota Population Center University of Minnesota 50 Willey Hall 225 19th Ave S Minneapolis, MN 55455 Send electronic material to: nhgis@umn.edu