6A-H43
2311 GREAT SAND DUNES
IN SAN LUIS VALLEY, COLORADO
Great Sand Dunes, lying at the edge of the
San Isabel National Forest and the Sangre De
Cristo Range, are now
a National Monument.
“C.T. ART-COLORTONE'REG.U.S. PAT. OFF.-SANBORN SOUVENIR CO., DENVER, COLO.