Search Results
1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, and 2002. California Geological Survey. This line shapefile depicts channel classifications, including Rosgen classes and other descriptors of stream channel and valley characteristics, w... California Geological Survey.
1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, and 2001. National Atlas of the United States, Environmental Systems Research Institute (Redlands, Calif.), and Geological Survey (U.S.). This line shapefile represents the federally owned land features (for example, national parkways and wild and scenic rivers) of the United States. ... Environmental Systems Research Institute (Redlands, Calif.).