Black and white view of a 10 inch diameter steam driven rotary pump. Three men standing above and one man standing below pump. O.P. Erickson in front (below) and Gus Erickson in middle of three men.
Black and white view of a 10 inch diameter steam driven rotary pump. Three men standing above and one man standing below pump. O.P. Erickson in front (below) and Gus Erickson in middle of three men.