Preliminary report on the structural materials of Oklahoma. - Norman : [Press of Democrat-topic], 1911. - 3 p. l., [9]-182 p. : illus., fold. map ; 24 cm. Report of Chas. N. Gould, Chas. H. Taylor, L. C. Snider, Frank A. Herald, Gaylord Nelson. LCCN: gs 11000499 Subjects--Topical Terms: Building materials--Oklahoma. LC Class. No.: QE153 / .A2 no. 5