Leave "No Trace" land ethics /

"Published August 1987" -- P. [2] of cover.

Leave "No Trace" land ethics /

"Reprinted June 1989; September 1991"--T.p. verso.

Scale model study of low-density concrete impact attenuators. Final report.

Ohio Department of Transportation, Columbus

Basic research in crashworthiness II - low speed impact tests of unmodified vehicles. Interim technical report.

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

Basic research in crashworthiness II - low speed impact tests of modified vehicles. Interim technical report.

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

Small car driver inflatable restraint system evaluation. Volume IV - evolving a low mount passenger air cushion restraint system (ACRS) for the Vega subcompact vehicle. Final report.

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

Quaternary geology of the Martinsville alternative site, Clark County, Illinois : a proposed low level radioactive waste disposal site /

Includes bibliographical references (p. 81-83).