Browse Items (60 total)

  • Tags: La Plata County

val-337.jpg
"General view of rock quarry. Note large quantity of fragments and spalls at left side after blasting. Refer to Pine R-336."

val-393.jpg
"Rock excavation for right wall of spillway inlet structure, stations 5/100 to 5/29.89. Note rock slide just above and to right of form at lower left."

val-320.jpg
"Screening plant erected by contractor to remove plus 5-inch stones from earth borrow materials."

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Colorado's best kept secret is out!!! Not even the wild, rugged Rocky Mountain peaks and dense forests could keep this spectacular "little valley" secret forever. Dirk Ross and his family help you discover the secrets of the "little valley" thru…

val-365.jpg
"Sheepsfoot roller compacting upstream No. 2 material at station 20/25, 30 feet upstream from dam axis. The moisture content of this material is approximately 1.5% below optimum moisture."

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A Sheesfoot or tamping roller working at the construction of the Vallecito Dam, north of Bayfield, Colorado.

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"Looking at downstream slope of embankment from a point in the old river channel about 600 feet downstream from axis. Slope near the crest of dam has not been graded. Note piezometer well cover at station 11+75 in center of picture."

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Trestle spanning the spillway during the construction of the Vallecito Dam, north of Bayfield, Colorado.

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Concrete being poured to construct the spillway at the Vallecito Dam north of Bayfield, Colorado

val-312.jpg
"Looking along axis toward left abutment from right bank of spillway (Photographic point No. 1). Excavation at left foreground is for completion of cutoff wall and placing lean concrete foundation under spillway inlet channel floor."

val-372.jpg
"Looking upstream along spillway and outlet channel front point 92 feet right of spillway centerline at station 17+00."

val-438.jpg
"Steel truss bridge constructed over branch of Vallecito Creek at station 261+62 on relocated road."

Hermosa Cemetery August 12_2012 001.jpg
An historic survey of Hermosa Cemetery prepared for the State Historical Fund

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An historic survey of Animas City Cemetery prepared for the State Historical Fund

Grave 1.jpg
A Study of Four Rural La Plata and Montezuma County Cemeteries Prepared for the State Historical Fund

Gate Detail.jpg
A Study of Four Rural La Plata and Montezuma County Cemeteries Prepared for the State Historical Fund

val-398.jpg
"Looking upstream at spillway gate structure from right side at station 9+27. Refer to Pine R-334."

val-270.jpg
"Looking upstream at cofferdam construction in temporary diversion channel. Bridge is just upstream from toe of dam."

val-324.jpg
"Looking toward right abutment from axis station 0+00. (Photographic point No. 3). Note excellent condition of embankment for hauling equipment."

val-014.jpg
View from the sky of the nearly finished Vallecito Dam, north of Bayfield, Colorado.

val-304.jpg
"Looking downstream in spillway channel from right side at station 8+10. Dragline is placing concrete in wall footing."

val-278.jpg
"Looking toward left abutment from right side of temporary diversion channel (135 feet upstream from axis at station 25+50). Placing compacted embankment in diversion channel in right foreground. Temporary cofferdam at left foreground."

val-408.jpg
"Looking along axis toward left abutment from right bank of spillway (Photographic Point No. 1) Average elevation of fill - 7660. Refer to Pine R-385."

val-422.jpg
"Looking along axis toward right abutment from station 0+00, (Photographic point No. 3). Average elevation of embankment in foreground is 7672. Refer to Pine R-383."
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