PRAIRIES. COLORADO Sparks from Burlington Northern train ignite grassland fires near Sterling. RMN F 25, 1983 p.16 Adams County, CO commissioners to vote on U.S. Dept. of Agriculture proposals to protect grasslands. RMN Je 23, 1985 p.24,26 Conservationists say state rangeland dying. FM Mr 3, 1986 p.7 Sodbusting practices analysed. RMN Je 19, 1988 p.34-36