| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 51 |  | Colorado River -- Excursions p.15 | 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948 | Image/StillImage | dha_cp |
| 52 |  | Colorado River -- Excursions p.4 | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image/StillImage | dha_cp |
| 53 |  | Colorado River -- Excursions p.6 | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image/StillImage | dha_cp |
| 54 |  | Colorado River -- Excursions p.7 | 1959; 1960 | Image/StillImage | dha_cp |
| 55 |  | Colorado River -- Excursions p.9 | 1960 | Image/StillImage | dha_cp |
| 56 |  | Colorado River -- Glen Canyon p.1 | 1939; 1940; 1941; 1942; 1943 | Image/StillImage | dha_cp |
| 57 |  | Colorado River -- Glen Canyon p.10 | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image/StillImage | dha_cp |
| 58 |  | Colorado River -- Glen Canyon p.11 | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image/StillImage | dha_cp |
| 59 |  | Colorado River -- Glen Canyon p.12 | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image/StillImage | dha_cp |
| 60 |  | Colorado River -- Glen Canyon p.13 | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image/StillImage | dha_cp |
| 61 |  | Colorado River -- Glen Canyon p.14 | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image/StillImage | dha_cp |
| 62 |  | Colorado River -- Glen Canyon p.15 | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image/StillImage | dha_cp |
| 63 |  | Colorado River -- Glen Canyon p.16 | 1962 | Image/StillImage | dha_cp |
| 64 |  | Colorado River -- Glen Canyon p.17 | 1962 | Image/StillImage | dha_cp |
| 65 |  | Colorado River -- Glen Canyon p.2 | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950 | Image/StillImage | dha_cp |
| 66 |  | Colorado River -- Glen Canyon p.3 | 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948 | Image/StillImage | dha_cp |
| 67 |  | Colorado River -- Glen Canyon p.4 | 1939 | Image/StillImage | dha_cp |
| 68 |  | Colorado River -- Glen Canyon p.6 | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image/StillImage | dha_cp |
| 69 |  | Colorado River -- Glen Canyon p.7 | 1956; 1957; 1958; 1959; 1960 | Image/StillImage | dha_cp |
| 70 |  | Colorado River -- Glen Canyon p.8 | 1956; 1957; 1958; 1959; 1960 | Image/StillImage | dha_cp |
| 71 |  | Colorado River -- Glen Canyon p.9 | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image/StillImage | dha_cp |
| 72 |  | Colorado River p.1 | 1890 | Image/StillImage | dha_cp |
| 73 |  | Colorado River p.10 | 1963-05-23 | Image/StillImage | dha_cp |
| 74 |  | Colorado River p.11 | 1922 | Image/StillImage | dha_cp |
| 75 |  | Colorado River p.12 | 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973 | Image/StillImage | dha_cp |