Stabilization of poor quality aggregate :
TH 30 near Mapleton /
prepared by G.R. Korfhage.

APA Citation

Korfhage, G. R., Minnesota. Department of Highways. Office of Materials. (1967). Stabilization of poor quality aggregate: TH 30 near Mapleton. [St. Paul, Minn.?]: Minnesota Highway Dept., Office of Materials.

MLA Citation

Korfhage, Glenn R, and Minnesota. Department of Highways. Office of Materials. Stabilization of Poor Quality Aggregate: TH 30 Near Mapleton. [St. Paul, Minn.?]: Minnesota Highway Dept., Office of Materials, 1967.