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The National Historical Geographic Information System (NHGIS) is a historical GIS project to create and freely disseminate a database incorporating all available aggregate census information for the United States between 1790 and 2010. The project has created one of the largest collections in the world of statistical census information, much of ...
A historical geographic information system (also written as historical GIS or HGIS) is a geographic information system that may display, store and analyze data of past geographies and track changes in time. It can be regarded as a tool for historical geography.
United States Geological Survey, National Program for Topographic Mapping (1884) War of the Rebellion Atlas (1895) Maps of the United Kingdom. The Brittania (John Ogilby, 1670–1676) Principal Triangulation of Great Britain (1784–1853)
To deal with the refugee situation, Diem's government arranged for their relocation into fertile and under-populated provinces in the western Mekong Delta. The Diệm regime also provided them with food and shelter, farm tools, and housing materials as well as digging irrigation canals, building dykes , and dredging swamp-lands to help ...
A historic map by the United States Coast and Geodetic Survey that has been georeferenced by the Regional Plan Association for mapping historic wetlands in OpenHistoricalMap. OpenHistoricalMap allows anyone with a free account to contribute directly to the map through an editor such as the iD Web application or the JOSM desktop application.
Topographic maps are also commonly called contour maps or topo maps. In the United States, where the primary national series is organized by a strict 7.5-minute grid, they are often called or quads or quadrangles. Topographic maps conventionally show topography, or land contours, by means of contour lines.
A historical map may be: an old map (a map that is itself a historical artefact), see history of cartography; a map depicting a specific historical period, see ...
Historical geography is the branch of geography that studies the ways in which geographic phenomena have changed over time. [1] In its modern form, it is a synthesizing discipline which shares both topical and methodological similarities with history , anthropology , ecology , geology , environmental studies , literary studies , and other fields.