ill.; "Field work was completed on August 15, 1936, and the office work connected with the survey done at the Berkeley office of the Branch of Forestry during the winter months." - P. 1.
Title
Report on the vegetation type survey of Crater Lake National Park
Originally published as: Report on the vegetation type survey of Crater Lake National Park; ([Crater Lake, Or.: National Park Service, Branch of Forestry, 193-?]); 15 p. (various pagings)]: 28 cm.
