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1990. International Heat Flow Commission, International Association of Seismology and Physics of the Earth's Interior, and Oklahoma State University. Department of Geography. Cartography Service. This point shapefile contains heat flow data for Zimbabwe compiled from sources in 1990. Heat flow is a measure of heat loss across the surface of ... International Heat Flow Commission.
1990. California. Farmland Mapping and Monitoring Program. This polygon shapefile represents areas of important farmland in Alameda County, California for 1990. Established in 1982, Government Code Section ... California. Farmland Mapping and Monitoring Program.
1990. California. Farmland Mapping and Monitoring Program. This polygon shapefile represents areas of important farmland in Amador County, California for 1990. Established in 1982, Government Code Section 6... California. Farmland Mapping and Monitoring Program.
1990. California. Farmland Mapping and Monitoring Program. This polygon shapefile represents areas of important farmland in Butte County, California for 1990. Established in 1982, Government Code Section 65... California. Farmland Mapping and Monitoring Program.
1990. California. Farmland Mapping and Monitoring Program. This polygon shapefile represents areas of important farmland in Colusa County, California for 1990. Established in 1982, Government Code Section 6... California. Farmland Mapping and Monitoring Program.
1990. California. Farmland Mapping and Monitoring Program. This polygon shapefile represents areas of important farmland in Contra Costa County, California for 1990. Established in 1982, Government Code Sec... California. Farmland Mapping and Monitoring Program.
1990. California. Farmland Mapping and Monitoring Program. This polygon shapefile represents areas of important farmland in El Dorado County, California for 1990. Established in 1982, Government Code Sectio... California. Farmland Mapping and Monitoring Program.
1990. California. Farmland Mapping and Monitoring Program. This polygon shapefile represents areas of important farmland in Fresno County, California for 1990. Established in 1982, Government Code Section 6... California. Farmland Mapping and Monitoring Program.
1990. California. Farmland Mapping and Monitoring Program. This polygon shapefile represents areas of important farmland in Glenn County, California for 1990. Established in 1982, Government Code Section 65... California. Farmland Mapping and Monitoring Program.
1990. California. Farmland Mapping and Monitoring Program. This polygon shapefile represents areas of important farmland in Imperial County, California for 1990. Established in 1982, Government Code Section... California. Farmland Mapping and Monitoring Program.