Walter J. Bilby's trailer at Crowley.Trailer camps began replacing the great tent camps in the mid-1930's.Triangulation party of Carl I. Aslakson
3/20/2019 8:55:50 AM
Date: Apr-34
Credit: Captain Ray Tryon, C&GS;
Location: Louisiana, Crowley
Subject: Geodesy
Subject: Camping Out
Subject: Tryon