Economic impact of highway snow and ice control. ESIC - user's manual.

Federal Highway Administration, Washington, D.C.

Cost and economic impact of tire reserve load requirements. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Economic analysis of the gypsy moth problem in the Northeast.

Cover title.

Flue-cured tobacco, mechanization and labor : impacts of alternative production levels /

Mode of access: Internet.

Secondary impacts of public investment in natural resources; proceedings of a symposium, September 25-27, 1968.

Sponsored by Natural Resource Economics Division, Economic Research Service, U.S. Dept. of Agriculture.