This sub-series consists of files related to endangered species located within the district and their effect on local development projects, most notably the Dehli Sands flower-loving fly and the San Bernardino and Stephens kangaroo rats. Also included in the sub-series are files on efforts to create protected areas of land for local wildlife habitat preservation. Materials in the sub-series include correspondence, articles, and reports.

This sub-series consists of files related to endangered species located within the district and their effect on local development projects, most notably the Dehli Sands flower-loving fly and the San Bernardino and Stephens kangaroo rats. Also included in the sub-series are files on efforts to create protected areas of land for local wildlife habitat preservation. Materials in the sub-series include correspondence, articles, and reports.

This sub-series consists of files related to endangered species located within the district and their effect on local development projects, most notably the Dehli Sands flower-loving fly and the San Bernardino and Stephens kangaroo rats. Also included in the sub-series are files on efforts to create protected areas of land for local wildlife habitat preservation. Materials in the sub-series include correspondence, articles, and reports.

This sub-series consists of files related to endangered species located within the district and their effect on local development projects, most notably the Dehli Sands flower-loving fly and the San Bernardino and Stephens kangaroo rats. Also included in the sub-series are files on efforts to create protected areas of land for local wildlife habitat preservation. Materials in the sub-series include correspondence, articles, and reports.

This sub-series consists of files related to endangered species located within the district and their effect on local development projects, most notably the Dehli Sands flower-loving fly and the San Bernardino and Stephens kangaroo rats. Also included in the sub-series are files on efforts to create protected areas of land for local wildlife habitat preservation. Materials in the sub-series include correspondence, articles, and reports.

This sub-series consists of files related to waste management issues and pollution prevention in the district, including files on landfills, air and water pollution, district recycling and superfund sites. Materials in the sub-series include articles, reports, correspondence, and memorandums.

This sub-series consists of files related to waste management issues and pollution prevention in the district, including files on landfills, air and water pollution, district recycling and superfund sites. Materials in the sub-series include articles, reports, correspondence, and memorandums.

This sub-series consists of files related to waste management issues and pollution prevention in the district, including files on landfills, air and water pollution, district recycling and superfund sites. Materials in the sub-series include articles, reports, correspondence, and memorandums.