Reclamation of stripped coal land

Author:	Toenges, Albert L.
Year:	1939
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	3440
Subject:	Reclamation of land--United States
Links:	https://hdl.handle.net/2027/mdp.39015078492298
	no.3421-3440 1938-1939