1950. University of Arizona. Library. Statewide coverage of 1950 Census County Subdivisions. University of Arizona.
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1960. University of Arizona. Library. Statewide coverage of 1960 Census County Subdivisions. University of Arizona.
1970. University of Arizona. Library. Statewide coverage of 1970 Census County Subdivisions. University of Arizona.
1961. National Climatic Data Center (U.S.). This element was computed using snowfall data from the National Climatic Data Center's United States Snow Climatology (TD-9641M) database (NCDC, 19... National Climatic Data Center (U.S.).
1983. United States. Environmental Protection Agency. Whenever appropriate, portions of this metadata were directly taken from the metadata of the original data set. RCRIS (Hazardous Waste - Violations... U.S. Environmental Protection Agency.
1983. United States. Environmental Protection Agency. Dataset depicts EPA Superfund sites throughout Arizona. This dataset was created from the CERLIS database. CERCLIS is a national computerized manag... U.S. Environmental Protection Agency.
1993. Arizona. State Land Department. Dataset identifies both Ephemeral and Perennial Streams throughout Arizona. This dataset was converted in the fall of 1988 from USGS 1:100,000 scal... Arizona State Land Department, Arizona Land Resources Information System.
1961. National Climatic Data Center (U.S.). This element was computed using data from the National Climatic Data Center's Cooperative Summary of the Day (TD-3200) database (NCDC, 1995). The o... National Climatic Data Center (U.S.).
1961. National Climatic Data Center (U.S.). This element was computed using data from the National Climatic Data Center's Cooperative Summary of the Day (TD-3200) database (NCDC, 1995). The o... National Climatic Data Center (U.S.).
1990. Arizona. Department of Health Services. Depiction of Firearm related deaths by county in Arizona. Incidence rate is per 100,000 persons. Arizona Department of Health Services.