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	Search results for Drills    Refine your search Description Paper, Photographic (2) Subject Northern Pacific Railr... (1) Great Northern Railway... (1) Creator Lee Pickett Pickett Ph... (1) results 1-2 of 2 item(s)  page 1 of 1 : ( <<  1  >> ) :: previous : next select all : clear all : add to favorites   Image: Title: Subject: Full Description: 1. [Stampede Tunnel construction] Northern Pacific Railroad; Stampede Tunnel; worker, railroad construction; drill Group of workers in the Stampede Tunnel under construction. Scene is lit with electric light and the ground is covered with air hoses for the drills. Sides and roof are shored up with beams. 2. [Great Northern - Cascade Tunnel construction] Great Northern Railway; Cascade tunnel; A. Guthrie and Co.; Berne, WA; Chelan County; worker, railroad construction; construction, railroad; drill; Ingersoll-Rand Cascade 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. select all : clear all : add to favorites results 1-2 of 2 item(s)  page 1 of 1 : ( <<  1  >> ) :: previous : next
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