1 : Photo of boaters along the Colorado River (probably in Glen Canyon) during the Aaron Belnap Ross river trip in the spring of 1964.
2 : Photo shows men filling a motor boat tank with gas at a dock along the Colorado River, during one of Aaron Belnap Ross's river trips in May of 1964.
3 : Photo of a group of men with boat before or after a river trip with Aaron Belnap Ross in May of 1964.
4 : Photo of boaters along the Colorado River (probably in Glen Canyon) during the Aaron Belnap Ross river trip in May of 1964
5 : Photo of a man fixing a propeller on his boat by the Colorado River during the Aaron Belnap Ross river trip in Glen Canyon in May of 1964.
6 : Photo of a 1909 inscription at Rainbow Bridge, Utah, visited by Aaron B. Ross in May of 1964
7 : Photo of a sign at Rainbow Bridge, Utah, visited by Aaron B. Ross in May of 1964
8 : Photo of a 1909 inscription at Rainbow Bridge, Utah, visited by Aaron B. Ross in May of 1964
9 : Photo of Rainbow Bridge, Utah, visited by Aaron B. Ross in May of 1964
10 : Photo of Rainbow Bridge, Utah, visited by Aaron B. Ross in May of 1964
11 : Photo of a view at Rainbow Bridge National Monument, Utah, visited by Aaron B. Ross in May of 1964
12 : Photo of Rainbow Bridge, Utah, visited by Aaron B. Ross in May of 1964
13 : Photo of Rainbow Bridge, Utah, visited by Aaron B. Ross in May of 1964
14 : Photo of Rainbow Bridge, Utah, visited by Aaron B. Ross in May of 1964
15 : Photo of Rainbow Bridge, Utah, visited by Aaron B. Ross in May of 1964
16 : Photo of Rainbow Bridge, Utah, visited by Aaron B. Ross in May of 1964
17 : Photo of Rainbow Bridge, Utah, visited by Aaron B. Ross in May of 1964
18 : Photo shows a man investigating an Ancestral Puebloan site in the Glen Canyon region, during on one of Aaron Belnap Ross's river trips, May of 1964.
19 : Photo shows people investigating an Ancestral Puebloan site in the Glen Canyon region, during on one of Aaron Belnap Ross's river trips, May of 1964. The site appears to be near the edge of the rising Lake Powell.
20 : Photo shows a man investigating an Ancestral Puebloan food storage site in the Glen Canyon region, during on one of Aaron Belnap Ross's river trips, May of 1964.
21 : Photo shows people investigating an Ancestral Puebloan site in the Glen Canyon region, during on one of Aaron Belnap Ross's river trips, May of 1964.
22 : Photo shows an Ancestral Puebloan site in the Glen Canyon region, during on one of Aaron Belnap Ross's river trips, May of 1964.
23 : Photo of an unidentified desert plant in Glen Canyon during the Aaron Belnap Ross river trip in May of 1964.
24 : Photo of flowers (Indian paintbrush?) blooming in Glen Canyon during the Aaron Belnap Ross river trip in May of 1964.
25 : Photo of scarlet globe mallow (Sphaeralcea coccinea) blooming in Glen Canyon during the Aaron Belnap Ross river trip in May of 1964.
26 : Photo of flowers (probably Western spiderwort, Tradescantia occidentalis) blooming in Glen Canyon during the Aaron Belnap Ross river trip in May of 1964.
27 : Photo of desert flowers in bloom (probably scarlet globe mallows and phacelias) along the Colorado River in Glen Canyon during the Aaron Belnap Ross river trip in May of 1964.
28 : Photo of blooming asters in Glen Canyon during the Aaron Belnap Ross river trip in May of 1964.
29 : Photo of a scene along the Colorado River during the Aaron Belnap Ross river trip in May of 1964.
30 : Photo of boats on the Colorado River in Glen Canyon during the Aaron Belnap Ross river trip in the spring of 1964.
31 : Photo of passengers on a boat in Glen Canyon, during an Aaron Belnap Ross Colorado River trip in May of 1964.
32 : Photo of a scene along the Colorado River in Glen Canyon during the Aaron Belnap Ross river trip in May of 1964.
33 : Photo of a scene along the Colorado River in Glen Canyon during the Aaron Belnap Ross river trip in the spring of 1964.
34 : Photo of a scene along the Colorado River in Glen Canyon during the Aaron Belnap Ross river trip in the spring of 1964.
35 : Photo of a scene along the Colorado River in Glen Canyon during the Aaron Belnap Ross river trip in May of 1964.
36 : Photo of a boat in a side canyon of the Colorado River (Hidden Passage?) in Glen Canyon during an Aaron Belnap Ross river trip in May of 1964.
37 : Landscapes
38 : Landscapes
39 : Landscapes
40 : Landscapes
