Two kinds of horsepower.Crossing the Red River near Granite, Oklahoma.Triangulation party of E. O. Heaton.
3/18/2019 1:53:09 PM
Date: 1921
Credit: NOAA Photo Library, NOAA Central Library; C&GS; Season's Report Heaton 1921
Location: Near Granite, Oklahoma
Subject: Getting There
Subject: Horse
Subject: Truck