Aerial photograph: 2DD-012

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

Forests and Snow

1899-06-19
2018-02-09
2018-02-09

Old plows

2018-02-09
2018-02-09

Hunt Springs, San Luis Valley

1896-06-27
2018-02-09
2018-02-09

Irrigation Views. Irrigation of Raspberries, College Garden

1898-05-07
2018-02-09
2018-02-09

Old plows

2018-02-09
2018-02-09

Old Ore Mill near Duncan, San Luis Valley

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

Aerial photograph: 2DD-132

View of Windsor Reservoir and Canal Company

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

Aerial photograph: 3DD-061

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

Tally book no. 3

Field book with data and notes on irrigation structures related to the construction of the Rio Grande Reservoir. Tally books record numbers of workers and progress.

2024-05-07
2018-02-09
2018-02-09

Aerial photograph: 3DD-024

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

Aerial photograph: 2DD-022

View of Seaman Reservoir, Poudre River Diversion, and Munroe Canal

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

Aerial photograph: 2DD-093

View of North Poudre Main Canal and Park Creek

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

Aerial photograph: 1DD-096

View of Halligan Reservoir

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

Aerial photograph: 2DD-089

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

Muskrat work in Arthur Ditch near CAC

2024-05-07
2018-02-09
2018-02-09

Aerial photograph: 3DD-028

View of Boxelder Creek

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

Aerial photograph: 2DD-083

View of Tunnel Number 3 and Munroe Supply Canal

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

Aerial photograph: 2DD-263

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

Sand Dunes. San Luis Valley

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

Aerial photograph: 1DD-114

View of Warren Lake

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

Capacity table no. 1

Field book with water data and notes related to the measurements of the Rio Grande at the Rio Grande Reservoir and Santa Maria Reservoir. Includes measurements of Ute Creek and Weminuche Creek.

2018-02-28
2018-02-28

Aerial photograph: 1DD-073B6

View of Halligan Reservoir

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

Aerial photograph: 1DD-020

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

Rating the G.V. Canal

Man posing in foreground

2018-02-09
2018-02-09