Gunnison Tunnel

	Gunnison Tunnel
	U.S. National Register of Historic Places
Location	Montrose County, Colorado, USA
Nearest city	Montrose, Colorado
Coordinates	38°29′36″N 107°43′17″W / 38.49333°N 107.72139°W
NRHP reference No.	79000616
Added to NRHP	1979-07-22

The Gunnison Tunnel is an irrigation tunnel constructed between 1905 and 1909^[1] by the U.S. Bureau of Reclamation in Montrose County, Colorado.^[2] The 5.8 mile long tunnel diverts water from the Gunnison River to the arid Uncompahgre Valley around Montrose, Colorado. At the time of its completion, it was the longest irrigation tunnel in the world and quickly made the area around Montrose into profitable agricultural lands. In 1972, the tunnel was designated a National Civil Engineering Landmark by the American Society of Civil Engineers (ASCE).

The idea for a tunnel is credited to Frank Lauzon, a miner and prospector.^[3] By the early 1890s he was farming in Montrose. Popular lore is that idea came to him in a dream that the waters of the Gunnison River should be brought to the valley.^[3]

As construction was undertaken, two advances in technology made work safer and easier. Jackhammers fed by a compressor replaced hand-turned drill bits to set holes for blasting charges. Dynamite replaced black powder for blasting. By 1906 shifts of workers up to 30 at a time worked in the tunnel.^[3]

The tunnel opened in 1909 to much fanfare with a dedication ceremony attended by President William Howard Taft.

References

^ Page, Arthur W. (August 1907). "Running A River Through A Mountain: The Six-Mile Gunnison Tunnel". The World's Work: A History of Our Time. XIV: 9322–9330. Retrieved 2009-07-10. {{cite journal}}: Cite has empty unknown parameter: |coauthors= (help) Includes construction photos.
^ Project History - Uncompahgre Project.
^ ^a ^b ^c "East Portal & the Gunnison Tunnel - Curecanti National Recreation Area (U.S. National Park Service)". www.nps.gov. Retrieved 2017-01-15. This article incorporates text from this source, which is in the public domain.

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References

Further reading