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[Great Northern - Cascade Tunnel construction]
Title[Great Northern - Cascade Tunnel construction]
Accession ID number2003.35.6
Object Typeprint, photographic
CreatorLee Pickett; Pickett Photo Company
Date1928
RightsProperty of the Washington State Historical Society - All Rights Reserved
Full DescriptionCascade Tunnel construction workers drill holes in the rock walls using Ingersoll Rand drills. The holes were used to pack dynamite. Each blast cleared about 8 feet of rock.
InscriptionIngersoll Rand drills at the east end of the Mill Creek shaft of the GN new 8 mile tunnel - A Guthrie & Co., CTR
SubjectGreat Northern Railway; Cascade tunnel; A. Guthrie and Co.; Berne, WA; Chelan County; worker, railroad construction; construction, railroad; drill; Ingersoll-Rand
RemarksNearly 5 million pounds of dynatmite were used in the construction of the Cascade Tunnel fired by 750,000 blasting caps.
Electronic PublisherWashington State Historical Society
Descriptionpaper, photographic
Dimensionheight: 8 inches; width: 10 inches
File CharacteristicsPhotograph scanned on a Microteck ArtixScan 1800f scanner at 600 ppi RGB and resized to 300 dpi, 452K
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