Portal Project, phase 4, Lewis & Clark County, Montana
Subtitle: final report
By: prepared for Mr. Richard Juntunen, Chief, Abandoned Mine Reclamation Bureau, Department of State Lands ; prepared by L.C. Hanson Company
Contributors: Montana. Abandoned Mine Reclamation Bureau
Publisher: L.C. Hanson Co.
Published: 1987
Place of publication: Helena, Mt.]
Language: eng
Subjects: Mines and mineral resources; Reclamation of land
Notes: "January, 1987."