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.
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2003. Holland, Ph.D., Robert F. This polygon shapefile depicts the vernal pool study area boundaries within Monterey, Santa Barbara, San Benito, San Luis Obispo and Ventura counti... California. Department of Fish and Game. Marine Resources Region.
2003. Holland, Ph.D., Robert F. This polygon shapefile depicts vernal pools in Monterey, Santa Barbara, San Benito, San Luis Obispo and Ventura counties that were mapped from one-... California. Department of Fish and Game. Marine Resources Region.