Blueprint profile to accompany the map showing the final location of the Iron Mountain Railway, Shasta County, California. The profile also includes a declaration by M M O'Shaughnessy, Chief Engineer of this railway. The vertical scale is 100 feet to 1 inch, and the horizontal scale is 400 feet to 1 inch. The maximum grade is 375%.

Colour hand-drawing showing sections of Windy Camp, Huckleberry and Balaklala Mines. Note in pencil describing them as drawings 3 and 4 of the Balaklala Survey. The sections show elevations, gossan outcrop, powder house, tunnels, and depth of shafts. Drawn at a scale of 100 feet to 1 inch.

Map of the Balaklala Consolidated and Adjacent Property drawn at the scale of 400 feet to 1 inch. Surveyed by M M O'Shaughnessy, Civil Engineer.

Map of the Balaklala Consolidated and Adjacent Property drawn at the scale of 400 feet to 1 inch.

Plan of the Balaklala Consolidated Mine Survey, Flat Creek Mining District, Shasta County, Survey No 75. Drawn at a scale of 200 feet to 1 inch.

Not digitised

Blueprint plan of the 2nd floor of the Administration Building. The Architect is Arthur Page Brown. Drawn at a scale of 1/4 inch to 1 foot.

Blueprint plan of the tower of the Administration Building. The Architect is Arthur Page Brown. Drawn at a scale of 1/4 inch to 1 foot.

Blueprint plan of the cross section of the Administration Building. The Architect is Arthur Page Brown. Drawn at a scale of 1/4 inch to 1 foot.

Blueprint showing the front elevation of the Administration Building. The Architect is Arthur Page Brown. Drawn at a scale of 1/4 inch to 1 foot.