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[null,"1.","Record Nr.",null,"UNINA9910706794803321"]
[null,null,"Autore",null,"Wahlstrom Ernest E (Ernest Eugene), <1909-2000, >"]
[null,null,"Titolo",null,"History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado / / by Ernest E. Wahlstrom"]
[null,null,"Pubbl/distr/stampa",null,"Washington : , : United States Department of the Interior, Geological Survey, , 1974"]
[null,null,"Descrizione fisica",null,"1 online resource (iii, A13 pages) : illustrations, maps + + 5 plates"]
[null,null,"Collana",null,"Geological Survey professional paper ; ; 831-A"]
[{"$nulls":4},"Engineering geology of the Harold D. Roberts Tunnel, Colorado."]
[null,null,"Soggetti",null,"Engineering geology - Colorado - Park County"]
[{"$nulls":4},"Engineering geology - Colorado - Summit County"]
[{"$nulls":4},"Engineering geology"]
[{"$nulls":4},"Harold D. Roberts Tunnel (Colo.)"]
[{"$nulls":4},"Colorado Harold D. Roberts Tunnel"]
[{"$nulls":4},"Colorado Park County"]
[{"$nulls":4},"Colorado Summit County"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Title from title screen (viewed October 2, 2014)."]
[null,null,null,"Sommario/riassunto","\"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.\""]