Performance of auger conveyors for farm feed materials at restricted delivery rates /

Cover title.

Costs of strip mine reclamation in the West /

Mode of access: Internet.

Hydrologic effects of storing liquified sewage sludge on strip-mined land, Fulton County, Illinois /

Mode of access: Internet.

A bibliography of strip-mine reclamation, 1953-1960 /

Mode of access: Internet.