The mandatory social security coverage proposal : potential impacts on rural and urban areas /

Title from cover.

Potential economic impacts of changes in Puerto Rico's status under S. 712.

"April 1990."

Oil shale, potential environmental impacts and control technology /

Mode of access: Internet.

Longer combination vehicles: potential infrastructure impacts, productivity benefits, and safety concerns.

Mode of access: Internet.

Longer combination trucks: potential infrastructure impacts, productivity benefits, and safety concerns.

Mode of access: Internet.

Potential hydrologic impacts of a tar-sand industry in 11 special tar sand areas in eastern Utah /

Mode of access: Internet.

Potential climatic impacts of increasing atmospheric CO with emphasis on water availability and hydrology in the United States : report prepared for the Environmental Protection Agency /

"April 1984."

Contracting out for federal support services : potential savings and budgetary impacts.

"October 1982"--P. [1] of cover.