Montana's perspective : proceedings to the forum held August 29, 1989, Billings, Montana 1990 Farm Bill Forum (Billings, Mont.) 1989- creator Soil and Water Conservation Society (U.S.). Montana Chapter. contributor text book [S.l.] Montana Chapter, Soil and Water Conservation Society [1989?] 1989
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ENG Cover title. Agricultural conservation Agriculture Congresses Conservation of natural resources Economic aspects Montana Soil conservation 333.72 https://www.biodiversitylibrary.org/bibliography/17817 22440009 10.5962/bhl.title.17817 Mt