- The
National Historical Geographic Information System (
NHGIS) is a
historical GIS
project to
create and
freely disseminate a
database incorporating all...
-
authors list (link) "North
Atlantic Po****tion Project". "IPUMS
NHGIS".
IPUMS NHGIS.
Retrieved 2019-02-26. "IPUMS
Health Surveys". "IPUMS
Global Health"...
- Census". 1930
Census Resources for Genealogists. "About
IPUMS NHGIS |
IPUMS NHGIS". www.
nhgis.org.
Retrieved April 20, 2023. "Slave, Free Black, and White...
- Tribe.
Retrieved December 14, 2023. "IPUMS
NHGIS |
National Historical Geographic Information System". www.
nhgis.org.
Retrieved December 8, 2023. "Home"...
-
original on
February 13, 2020.
Retrieved February 8, 2018. "IPUMS
NHGIS". www.
nhgis.org.
Retrieved December 8, 2023. Coy, Owen
Cochran (1919).
Guide to...
- for 2015–19, via the
National Historical Geographic Information System (
nhgis.org) and
detailed on the
Mamaroneck Historical Society's website. As of...
-
Historical Geographic Information System:
Version 12.0 [Database]".
IPUMS NHGIS. Minneapolis:
University of Minnesota. doi:10.18128/d050.v12.0. 40°25′N...
-
atlas of the world.
National Historical Geographic Information System (
NHGIS) is a
system for
displaying and
analyzing Census tracts and
tract changes...
- shapefiles,
census data.
National Historical Geographic Information System NHGIS provides free of charge,
aggregate census data and GIS-compatible boundary...
-
Historical Geographic Information System:
Version 12.0 [Database]".
Ipums Nhgis. Minneapolis:
University of Minnesota. doi:10.18128/d050.v12.0. "U.S. Census...
