735B15: Dickey's well east of Ault. Pit being completed for 30 inch casing. 24 inch to...

1930-05-12
2016-08-17
2016-08-17

735B5803: "Hydraulic rotary machine being used to ream out a hole about 24 inches in...

Image also used as Figure 35 in "Putting Down and Developing Wells for Irrigation" by Carl Rohwer, which reads, "Hydraulic-rotary rig drilling artesian well 17 inches in diameter. Hole is 410 feet deep."

1934-06-01
2016-08-17
2016-08-17

735B59: "Rig for drilling test holes by the hollow-rod of self-cleaning method"

Title information from "Putting Down and Developing Wells for Irrigation" by Carl Rohwer. See Figure 8.

2016-08-17
2016-08-17

735B60: "No. 5 1/2 Keystone machine being used for first time in the cobbles west of...

Image also used as Figure 14 in "Putting Down and Developing Wells for Irrigation" by Carl Rohwer.

2016-08-17
2016-08-17

735B61: "Albert Wobermins rig at Max Petersons. Sec 24 2N 56 W"

1933-11-01
2016-08-17
2016-08-17

735B62: "Albert Wobermins rig at Max Petersons well. Sec 24 2N 56W"

1933-11-01
2016-08-17
2016-08-17

735B63: "Albert Wobermins rig at Max Petersons well. Sec 24 2N 56W. 14 inch well, 8...

1933-11-02
2016-08-17
2016-08-17

735B64: "Two of Wobermins land augers"

Image also used as Figure 8a, "Soil auger operated by hand" in "Construction of Irrigation Wells in Colorado" by W. E. Code.

1934-10-02
2016-08-17
2016-08-17

735B65: "Kennedy's small outfit at work on Schwazbech well N.E. of Monte Vista"

1934-06-01
2016-08-17
2016-08-17

735B66: "Maxeys driller, Hughes on S.L. Holland wells. (Monte Vista)"

1934-06-01
2016-08-17
2016-08-17

735B67: "Maxeys bailer"

Man's foot visible at left. Image also used as lower left of Figure 13, "Sand pumps or vacuum buckets...bottom dump, hinged valve seat" in "Construction of Irrigation Wells in Colorado" by W. E. Code.

1934-06-01
2016-08-17
2016-08-17

735B16: "McLeod Bros well, Gilcrest, McArthurs rig, Campbell driller, Repp helper"

1931-04-01
2016-08-17
2016-08-17

735B68: "8 inch and 10 inch suction sand buckets used by Maxey in San Luis Valley"

Sand bucket

2024-05-15
2016-08-17
2016-08-17

735B69: "Hydraulic-rotary rig. Drilling blasting holes in geophysical research in...

Image also used as Figure 6 in "Putting Down and Developing Wells for Irrigation" by Carl Rohwer.

1935-12-12
2016-08-17
2016-08-17

735B70: "Hydraulic-rotary rig for drilling blasting holes 60-100' deep for geophysical...

1935-12-12
2016-08-17
2016-08-17

735B71: "Hydraulic-rotary rig. Drilling holes for blasting in geophysical research,...

1935-12-12
2016-08-17
2016-08-17

735B7401: "Oliver reversed rotary machine on Pluss farm west of Prospect"

Note on envelope reads, "Reversed rotary machine, Oliver. Pictures taken by F. Oliver 1941, Eaton Sugar Factory. Shows large rock removed from 48" bore hole".

1944-06-15
2016-08-17
2016-08-17

735B7402: "Oliver reversed rotary machine on Pluss farm west of Prospect"

Note on envelope reads, "Reversed rotary machine, Oliver. Pictures taken by F. Oliver 1941, Eaton Sugar Factory. Shows large rock removed from 48" bore hole".

1944-06-15
2016-08-17
2016-08-17

735B7501: "B.A. Holden rotary rig on Bowles well Prospect"

Water pouring from pipe into holding pond. Three men on drilling platform. Shovel sticking out of piles of gravel at left

1943-05-31
2016-08-17
2016-08-17

735B7502: "Rotary rig of B.A. Holden on Bowles well Prospect"

Water pouring from pipe into holding pond. Three men on drilling platform. Shovel sticking out of piles of gravel at left

1943-06-01
2016-08-17
2016-08-17

735B7503: "Reversed rotary rig of B.A. Holden on Bowles well Prospect"

Three men on drilling platform next to holding pond. Shovels sticking out of piles of gravel at left

1943-06-01
2016-08-17
2016-08-17

735B7504: "40 inch cutter on B.A. Holden rotary rig at Prospect"

Drill bit raised out of hole

1943-06-01
2016-08-17
2016-08-17

735B17: "McArthur Bros (Greeley) rig, Hays driller. Putting down 24 inch casing with...

Three milk cans in foreground

1929-07-11
2016-08-17
2016-08-17

735B7505: Three men on B.A. Holden rotary rig at Prospect lowering well screen

Piles of gravel at left

1943-06-01
2016-08-17
2016-08-17

735B7506: Three men on B.A. Holden rotary rig at Prospect

1943-06-01
2016-08-17
2016-08-17