00750cam a22002171 4500 gs 25000136 DLC 20260227111329.0 900502s1925 waua s000 0 eng c gs 25000136 (OCoLC)21466956 Library, U.S. Geological Survey TxU DLC premarc TA440 .C6 Collier, Ira Leonard. Lowering the cost of concrete in the Pacific Northwest, by Ira Leonard Collier ... Seattle, Wash., The University, 1925. 31 p. illus., diagrs. 23 cm. Washington (State) University. Engineering Experiment Station. Engineering Experiment Station series. Bulletin no. 31 Concrete. 26379 26379