735B39: "Layne-Western, casing jack. Sinking 36 inch blank inside of 42 inch blank. At Milne well near Lucerne"

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Abstract
Cars parked next to house in background. Image also used as Figure 19, "Jacking arrangement for forcing casing" in "Construction of Irrigation Wells in Colorado" by W. E. Code.
Date
1932-02-06
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