The Montana energy book
By: Montana Department of Natural Resources and Conservation
Publisher: Energy Division, Montana Dept. of Natural Resources and Conservation
Published: 1986
Place of publication: Helena, Mont. (1520 E. Sixth Avenue, Helena 59620)
Language: eng
Number of pages: 111
Subjects: Energy conservation; Insulation (Heat); Heating; Dwellings
Notes: "June 1986."