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Start Over Resource Type Line data Subject Biology and Ecology Theme Environment
1966, 1967, 1968, 1969, 1970, 1971, 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, and 1998. Patuxent Wildlife Research Center. This line shapefile portrays the current routes used for conducting Breeding Bird Surveys in the lower 48 States. This layer is part of the 1997-20... National Atlas of the United States.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polyline shapefile depicts stream and fish data that Leidy compiled over decades of research in the nine county San Francisco Bay Area Region,... Bay Area Open Space Council.
2012. SeaPlan. The Northeast Recreational Boater Routes displays recreational boater routes that were mapped by participants in the 2012 Northeast Recreational Bo... Northeast Ocean Data.
2007. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, GreenInfo Network (Firm), and Connie Shannon PSMFC/ CDFG. The data was clipped to the Bay Area. Winter Steelhead Distribution (CalFish) June 2007 Version This polyline shapefile depicts observation-based, ... Bay Area Open Space Council.