Title: Masonry Plan for Trestle over M.R.R.R.
Photographer: Unknown
Subject Headings: Geography - Maps, Metal Trade - Copper Industry and Trade - Copper Mines and Mining,
Condition: Very torn, only partial drawing
Description: Plan for Trestle over M.R.R.R. by Wisonsin Bridge and Iron Company of North Milwaukee, Wisconsin. The masonry plan was made for Hancock Consolidated Mining Company. Some text from Plan: Pedestals for Bents are proportioned for bearing of 2 tons per square foot for ordinary clay. If clay is soft sizes of footings are to be increased in proportion. Masonry and Anchores furnished and Anchors set by Mining Co. Anchors must be located with great care as shown, so that girders and bracing of towers will go up in field as intended. All distances along and track are on chords to archs intercepted between bents.
Source of Description: Front of Map [Cataloger]
Institution: Michigan Technological University Archives and Copper Country Historical Collections
Donor: Quincy Mining Company
Date of Photo: 1909
Medium: still image
Color: color
Size: 50 cm x 35.2 cm
Polarity: Positive
Image No: Map 27A-76A-01
Collection Name: Quincy Mining Company Engineering Drawings
Terms of Use: Rights to reproduce and distribute this image may be restricted. Contact the Michigan Technological University Archives and Copper Country Historical Collections for further information.
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