LEADER 02130oam  2200505   450 
001 9910706794803321
005 20171226102833.0
035   $a(CKB)5470000002457505
035   $a(OCoLC)896810005
035   $a(OCoLC)995470000002457505
035   $a(EXLCZ)995470000002457505
100   $a20141123d1974      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aHistory of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado /$fby Ernest E. Wahlstrom
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1974.
215   $a1 online resource (iii, A13 pages) $cillustrations, maps +$e5 plates
225 1 $aGeological Survey professional paper ;$v831-A
225 1 $aEngineering geology of the Harold D. Roberts Tunnel, Colorado.
300   $aTitle from title screen (viewed October 2, 2014).
330   $a"A historical review of the planning, geologic investigations, engineering design, and construction procedures for a 23.3-mile water tunnel that passes under the Continental Divide in the Front Range of Colorado."
606   $aEngineering geology$zColorado$zPark County
606   $aEngineering geology$zColorado$zSummit County
606   $aEngineering geology$2fast
607   $aHarold D. Roberts Tunnel (Colo.)
607   $aColorado$zHarold D. Roberts Tunnel$2fast
607   $aColorado$zPark County$2fast
607   $aColorado$zSummit County$2fast
615  0$aEngineering geology
615  0$aEngineering geology
615  7$aEngineering geology.
700   $aWahlstrom$b Ernest E$g(Ernest Eugene),$f1909-2000,$01399312
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910706794803321
996   $aHistory of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado$93532540
997   $aUNINA