Engineering Experiment Station, Purdue University,
Comprehensive report, investigation of airfield construction in arctic and subarctic regions : appendix 3 : summary and statement of technique, aerial photographic reconnaissance investigation, frozen soils in the territory of Alaska
Frost, Robert E.
Hittle, Jean E.
Woods, Kenneth B. (Kenneth Brady), 1905-
United States. Army. Corps of Engineers. St. Paul District.
by Robert E. Frost, Jean E. Hittle, and K. B. Woods.
Comprehensive report, investigation of airfield construction in arctic and subarctic regions : appendix 3 : summary and statement of technique, aerial photographic reconnaissance investigation, frozen soils in the territory of Alaska