One of the hazards of heavy aircraft on remote airstrips.The B-17 was a little too heavy for this airstrip
3/18/2019 12:22:39 PM
Date: 9-Jun-51
Credit: C&GS; Season's Report Parkinson 1951-159
Location: Montana, Missoula
Subject: Geodesy
Subject: Topography
Subject: Photogrammetry