Search Results
1999. California Geological Survey and California. Division of Mines and Geology. This polygon shapefile represents geological units (such as fault contacts, lithographic contacts and the watershed boundary) within the Freshwater... California Geological Survey and California. Dept. of Conservation.
2005. Reed, John Calvin, Jr. 1930- and Bush, Charles A. This polygon shapefile contains polygon boundaries, tags and labels for major geologic units in Alaska, Hawaii, Puerto Rico and the U.S. Virgin Isl... Geological Survey (U.S.).
1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, and 1994. 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.).
2000. California. Division of Mines and Geology. This polygon shapefile depicts lithologic contact, fault contact, and watershed boundary as line attributes for the Noyo River Watershed, which lie... California. Division of Mines and Geology.
1999. California Geological Survey and California. Division of Mines and Geology. This polygon shapefile represents regions of landslide activity within the Freshwater Creek watershed in Humboldt County, California at 1:24,000 sc... California Geological Survey and California. Dept. of Conservation.
1999. California Geological Survey and California. Division of Mines and Geology. This polygon shapefile represents relative landslide potential for the Freshwater Creek watershed in Humboldt County, California at 1:24,000 scale.... California Geological Survey and California. Dept. of Conservation.
2005. Geological Survey (U.S.). This map layer contains locations and information on faults and associated folds, in the United States, that are believed to be sources of signific... National Atlas of the United States.
1999. Rosenberg, Lewis I. This polygon shapefile depicts the seismic shaking level (peak ground acceleration) with a 10% probability of being exceeded in 50 years for Monter... Monterey County (Calif.). Planning Department.
2015. Santa Clara County (Calif.). Planning Office. This polygon shapefile depicts fault zones in the County of Santa Clara, California that are characterized by fractures in the Earth's crust. This ... Santa Clara County (Calif.). Planning Office.