01037cam a22002531a 4500 agr44000181 DLC 20260227111002.0 880329s1944 dcuabf f000 0 eng agr44000181 (OCoLC)17691933 DLC CoG DLC premarc S623 .U44 no. 30 A 57.24:30 Underwood, John J., 1905- Physical land conditions : in the western and southeastern Baca County soil conservation districts, Colorado / by John J. Underwood. Washington, D.C. : U.S. Dept. of Agriculture, Soil Conservation Service, [1944] [1] leaf , 54 p. : ill., maps (2 folded in pocket) ; 27 cm. + 58 plates ( maps : col. ; sheets 51 x 35 cm.), all in portfolio. Physical land survey / U.S. Soil Conservation Service ; no. 30 Land use Colorado Baca County. Soil conservation surveys Colorado Baca County. Physical land survey ; no. 30. 10310 10310