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Start Over Year 1974 Place Iowa Bounding Box -86.51116 39.149274 -86.508949 39.150938

1. Fault Lines: Geology of the Conterminous United States, 2005

Stanford University Public content
1974. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile represents the major fault lines in the United States. A fault is a fracture or fracture zone in the Earth's crust along which ... Geological Survey (U.S.).

2. Geologic Units (Polygons): Geology of the Conterminous United States, 2005

Stanford University Public content
1974. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This polygon shapefile shows the boundaries of geologic units within the United States. This layer is part of the Geologic Map of the United States... Geological Survey (U.S.).

3. United States Cancer Mortality 1970-1994

Columbia University Public content
1974. U.S. Geological Survey. This data set contains 1970-1994 cancer mortality information for counties in the United States. Included are death rates, number of deaths, confi... U.S. Geological Survey.