Pick-Sloan Missouri Basin program, Helena Valley unit
Subtitle: Montana, Lewis and Clark County
By: Upper Missouri Region, Bureau of Reclamation.
Contributors: United States. Bureau of Reclamation. Upper Missouri Regional Office
Publisher: The Bureau
Published: 1983
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Water resources development -- Montana -- Lewis and Clark County.
Notes: Caption title.

"Region revision 3/83 (from Project data book)"--P. 1.