White Pigment - Experimental Soil-cement
Description:
Caption says, "5-AL-602. Experimental soil-cement lining, West 11.5 Lateral. Condition of lining coated with white pigment curing compound 24 hours after placing. Station 210+00."
Date:
May 7, 1947
Creator:
George, P. W.
Partner:
Museum of the Western Prairie