David H. Gibson Brazos Cliffs, Tierra Amarilla Grant, New Mexico 18 5/8 x 57 3/16 inches | David H. Gibson Alpine Lake, Telluride, Colorado 19 x 57 1/4 inches |
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David H. Gibson Branch Arch, Limpia Creek, Fort Davis, Texas 1986 15 1/2 x 15 1/2 inches | David H. Gibson Limpia Creek, Fort Davis, Texas 1986 15 1/2 x 15 3/8 inches |