Development of ground covers for highway slopes :
investigation no. 615, final report, 1971 /
[Albert G. Johnson ... et al.].

APA Citation

Johnson, A. G., United States. Federal Highway Administration., Minnesota Local Road Research Board., University of Minnesota. Dept. of Horticultural Science., Minnesota. Dept. of Highways. (1971). Development of ground covers for highway slopes: investigation no. 615, final report, 1971. [St. Paul]: University of Minnesota, Dept. of Horticultural Science.

MLA Citation

Minnesota. Dept. of Highways, et al.. Development of Ground Covers for Highway Slopes: Investigation No. 615, Final Report, 1971. [St. Paul]: University of Minnesota, Dept. of Horticultural Science, 1971.