Sound levels of five motorcycles travelling over forest trails
Subtitle: Rock Creek orv area
By: Robin T. Harrison, William J. Makel, LaMoure B. Besse
Contributors: Makel, William J.; Besse, LaMoure B.; Technology & Development Center (San Dimas, Calif.); Technology & Development Program (U.S.)
Publisher: Technology & Development Center
Published: 1993
Place of publication: San Dimas, Calif
Language: eng
Subjects: Motorcycles; Noise; Environmental aspects; Outdoor recreation; Noise pollution
Notes: "August 1993."

"United States Department of Agriculture, Forest Service, Technology & Development Program"--Cover.

"OE11A40 Noise control in forest recreation."

"2300--Recreation"--Cover.

"9323 1802--SDTDC"--Cover.

Includes bibliographical references (p. 7).