Lowering the cost of concrete in the Pacific Northwest,
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 .
gs 25000136
Concrete.
TA440 / .C6
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 .
gs 25000136
Concrete.
TA440 / .C6