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1998. Holland Ph.D., Robert F., U.S. Fish and Wildlife Service, and California. Department of Fish and Wildlife. This polygon shapefile depicts the distribution of extant California Central Valley vernal pool complexes for use by the United States Fish and Wil... California. Department of Fish and Game. Marine Resources Region.
1998. This polygon shapefile depicts boundaries for vernal pool regions throughout California. This coverage is a polygon layer of vernal pool complexes ... California. Department of Fish and Game. Marine Resources Region.
1998. Holland, Ph.D., Robert F., U.S. Fish and Wildlife Service, and California. Department of Fish and Wildlife. This polygon shapefile is believed to represent a boundary used for mapping vernal pool complexes in a study by Dr. Robert F. Holland (reference th... California. Department of Fish and Game. Marine Resources Region.
1998. University of Chicago Library. This is the ward map for Chicago that was in effect between 1998 and early 2003. The file was derived from the Tiger 1998 voting district file. Geo...
1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, and 2011. County of San Mateo Information Services Department. This polygon shapefile depicts land areas within the County of San Mateo, California that receive tax breaks under the Williamson Act. The Californ... County of San Mateo Information Services Department.