Fire-danger rating in the future
By: James E. Hefner.
Series: U.S. Forest Service research note PNW -- 51.; U.S. Forest Service research note PNW -- 51.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
Published: 1967
Place of publication: Portland, Ore
Language: eng
Subjects: Forest fire forecasting.; Wildfire forecasting.
Other titles: Fire danger rating in the future.
Notes: Caption title.

"April 1967.