File Succession in grasslands of South Boulder Park, Colo. Box 2 In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Colorado Photographs » General
File Dry grass and meadow. Tolland Colo. Box 2 In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Colorado Photographs » General
File Narrows, Long Peak Colo. Box 2 In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Colorado Photographs » General
File Akron, Colorado In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Colorado Photographs
File Weighing apparatus for water requirements Akron, Colo. Box 2 In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Colorado Photographs » Akron, Colorado
File Meteorological instruments Supt. Grace at right. Akron, Ohio. Box 2 In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Colorado Photographs » Akron, Colorado
File Akron, Col. Water requirements station Box 2 In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Colorado Photographs » Akron, Colorado
File Frames for shading Akron, Colo. Box 2 In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Colorado Photographs » Akron, Colorado
File I.P.E. short grass plain Akron, Colo. Box 2 In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Colorado Photographs » Akron, Colorado