Pennsylvania Negro business directory, 1910 : industrial and material growth of the Negroes of Pennsylvania.

Mode of access: Internet.

Hazardous material spills and responses for municipalities /

Mode of access: Internet.

CAM-4, a portable warning device for organophosphate hazardous material spills /

Mode of access: Internet.

Hazardous material spills : a documentation and analysis of historical data /

Mode of access: Internet.

Development of a kit for detecting hazardous material spills in waterways /

Mode of access: Internet.

Current and future industrial energy service characterizations : volume 1 /

"October 1980."

Choosing a career; a selected list of material on occupations and careers available at the Free Library of Philadelphia. Originally prepared by te B'nai B'rith Group Vocational Guidance Service, under the editorship of Harold Kramer, director. Now revised and somewhat enlarged by the library staff.

Mode of access: Internet.

Final environmental impact statement on Public Service Company of New Mexico's proposed New Mexico generating station and other possible end uses of the Ute Mountain land exchange.

On cover: BLM NM-83-005-5000.