Box 4

Drawn by: RER

Scale: 3/8" = 1'-0"

Drawing features a roof plan, planshowing location of openings in wall, O.S. view of West Wall pipe openings, a floor plan, and a side view of Shops Booster Pump. Some features are drawn in pencil.

Blueprint shows a top and side view of an Idler Sheave for 1-1/2 rope at the Ellison Hoist No. 1.

Floor plan of a typical mine powder magazine. The drawing features an 18" Gauge Main line track heading to the Ross Shaft and the Ellison Shaft.

Blueprints of the Ayer Mine Shaft Ore Skip and Cage Changing Device, showing the top plan and side elevation.

General Floor Plan for the Drill Sharpening Shop. The floor plan includes drill racks, a track with a turntable, tempering tanks, furnaces, sharpeners, and a forge.

Blueprint for a safety screen for mine raises. The drawing also includes a table titled "Bill of Materials"

Drawn by: L.G.W.

Scale: None

Drawing features a plan view, plan view top angle with plate attached, section "A-", Section "B-B" and elevation "C-C". The drawing also notes "Copied from: Farmer's Bulletin No. 1683 // U.S. Department of Agriculture // See some for discharge tables and setting details."

Drawn by: L.G.W.

Traced by: L.G.W.

Drawing of the Homestake Honor Roll Board, featuring drawings of the front elevation (scale: 1" = 10'), Section A-A (scale: 3" = 1'-0"), Section B-B (scale: 3" = 1'-0"), and Section C-C (scale: 3" = 1'-0"). There is also a note that states "Note: This board will accomodate 450 to 500 names.

Drawn by: G.N.M.

Scale: None

Blueprint for the toilet partititons for the Spearfish Sawmill. Features drawings of the plan view, front elevation - view "A-A", and side elevations - views "B-B".

Drawn by: L.G.W.

Traced by: L.G.W.

Scale: Full Size

Blueprint of a Traveler Wheel, features a front at profile view of the wheel. The drawing also has a note that states "Required - 32 // Order No. 439-9179"