Sand Creek Valley, San Luis Valley

1896-07-03
2018-02-09
2018-02-09

Artesian Well, Stewarts, San Luis Valley

1896-06-19
2018-02-09
2018-02-09

G.V. Seepage. Profile Line 5E

2018-02-09
2018-02-09

Creek from Russell Springs, San Luis Valley

1896-06-26
2018-02-09
2018-02-09

Kerber Creek, San Luis Valley

1896-06-28
2018-02-09
2018-02-09

Aerial photograph: 1DD-071

1963-08-16
2018-03-02
2018-03-02

Aerial photograph: 4DD-015

1963-09-02
2018-03-02
2018-03-02

Aerial photograph: 2DD-024

View of Poudre River Diversion and Munroe Supply Canal

1963-08-16
2018-03-02
2018-03-02

Aerial photograph: 1DD-073

View of Halligan Reservoir

1963-08-16
2018-03-02
2018-03-02

Aerial photograph: 4DD-021

1963-09-02
2018-03-02
2018-03-02

Aerial photograph: 2DD-207

View of Park Creek and Reservoir Number 15

1963-08-19
2018-03-02
2018-03-02

G.V. Seepage. Profile Line 8E

2018-02-09
2018-02-09

Arnell and incomplete

Man surveying in foreground

1902-09-01
2018-02-09
2018-02-09

Aerial photograph: 1DD-015

1963-08-16
2018-03-02
2018-03-02

Aerial photograph: 1DD-132

View of Bubbles Reservoir, Boxelder Creek, and Boxelder Number 1

1963-08-24
2018-03-02
2018-03-02

Aerial photograph: 1DD-047

1963-08-16
2018-03-02
2018-03-02

Forests and Snow

1899-06-24
2018-02-09
2018-02-09

Aerial photograph: 4DD-017

1963-09-02
2018-03-02
2018-03-02

Aerial photograph: 2DD-087

1963-08-19
2018-03-02
2018-03-02

Aerial photograph: 1DD-130

View of Bubbles Reservoir, Boxelder Creek, North Poudre Main Canal, and Wasson Reservoir

1963-08-24
2018-03-02
2018-03-02

Aerial photograph: 2DD-195

1963-08-19
2018-03-02
2018-03-02

Aerial photograph: 2DD-251

View of North Poudre Main Canal and Spitzer Lake

1963-08-19
2018-03-02
2018-03-02

Outfit, field camp

Group of horse-drawn wagons and men

2018-02-09
2018-02-09

Map of Grand Valley showing seepage

2018-02-09
2018-02-09

Aerial photograph: 3DD-066

View of Clark Lake, Indian Creek Reservoir, and North Poudre Main Canal

1963-08-24
2018-03-02
2018-03-02