Specifications for bituminous road mix surface dense-graded aggregate type, subclass B-1 :
effective June 1, 1937 ...
APA Citation
Illinois. Division of Highways. (1937). Specifications for bituminous road mix surface dense-graded aggregate type, subclass B-1: effective June 1, 1937 ... [Springfield.
MLA Citation
Illinois. Division of Highways. Specifications for Bituminous Road Mix Surface Dense-graded Aggregate Type, Subclass B-1: Effective June 1, 1937 ... [Springfield, 1937.
Warning: These citations may not always be complete (especially for serials).