Road reconnaissance report: Imperial Sand Dunes recreation development
Subtitle: road no. 6503, project no. 0612
By:  [U.S. Dept. of the Interior, Bureau of Land Management]
Contributors: Hall, Gilbert
Edition: Rev. May 1972
Published: 1972
Place of publication: [Sacramento] : Bureau of Land Management, Riverside District Office
Language: eng
Number of pages: 18
Subjects: Roads
Other titles: Imperial Sand Dunes recreation development.
Notes: Cover title.

Includes bibliographical references (leaf [18]).