APPLICATION OF ERTS-1 IMAGERY IN MAPPING AND MANAGING SOIL AND RANGE RESOURCES IN THE SAND HILLS REGION OF NEBRASKA.SEEVERS PM; LEWIS DT; DREW JV et al.1974; IN: 3RD EARTH RESOUR. TECHNOL. SATELL.-1 SYMP.; WASHINGTON, D.C.; 1973; WASHINGTON; NATL. AERONAUT. SPACE ADM.; DA. 1974; VOL. 1-A; PP. 225-232; 4 ILL.Conference Paper

APPLICATION OF ERTS-1 IMAGERY IN MAPPING AND MANAGING SOIL AND RANGE RESOURCES IN THE SAND HILLS REGIONS OF NEBRASKA.SEEVERS PM; LEWIS DT; DREW JV et al.1974; IN: EARTH RESOUR. TECHNOL. SATELL.-1 SYMP. 3. PROC.; WASHINGTON, D.C.; 1973; WASHINGTON; N.A.S.A.; DA. 1974; VOL. 1.A; PP. 225-232; 4 ILL.Conference Paper