Helispot location and construction
By: by James L. Murphy
Series: Miscellaneous paper / Pacific Southwest  Forest and Range Experiment Station -- no. 31; Miscellaneous paper (Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)) -- no. 31.
Publisher: Pacific Southwest Forest and Range Experiment Station
Published: 1959
Place of publication: Berkeley, Calif
Language: eng
Number of pages: 18
Subjects: Heliports; Design and construction; Landing; Helicopters
Notes: Cover title.

"April 1959."