Blueprint drawing titled Plan No 1 Mountain Mining Company showing location of workings and buildings, Shasta Co, California. The map marks out iron claims, and is identical to P135/1/2/2/1/3, with the addition of a grid over the plan. The map was surveyed by M M O'Shaughnessy, CE. Drawn at a scale of 50 feet to 1 inch.

Blueprint map showing the location of the Iron Mountain Railway, Shasta County, California. M M O'Shaughnessy was the Chief Engineer of this railway, and the map shows a signed, sworn affidavit by both him, and by Louis B. Parrot, President of the Iron Mountain Railway. The map was surveyed by M M O'Shaughnessy, CE. Drawn at a scale of 1,000 feet to 1 inch. The scale of the profile in the map is 100 feet to 1 inch (vertical), and 2,000 feet to 1 inch (horizontal).

Blueprint of the Balaklala Consolidated and Adjacent Property drawn at the scale of 400 feet to 1 inch. Surveyed in April 1897 by M M O'Shaughnessy, Civil and Mining Engineer. The underlined figures show barometric altitudes.

Grid map, marking out 29 listed sites including Balaklala, Windy Camp and Huckleberry. The map shows the Sacramento River, creeks, railways and Keswick smelting works.

Two copies (with slight differences) of a grid map showing the area to the west of Balaklala Mines. Altitude, northings and eastings, and posts are marked on both maps.

Digital File see p135 --> archive --> OCR --> Box 3 --> Correspondence --> p135_CO_058. Memo to O'Shaughnessy from Easton Eldridge and Co, Real Estate Agents and Auctioneers, requesting payment. Mr A Hill is also referenced. (30 Jan 1897).

The main purpose of the Administration Building was for the offices of the Exposition's departmental members. The architect was Arthur Page Brown, and his design featured Byzantine and Gothic styles.

Blueprint plan of the foundation 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 1st floor of the Administration Building. Architect is Arthur Page Brown. Drawn at a scale of 1/4 inch equal to 1 foot.

Blueprint plan of the 3rd floor of the Administration Building. The Architect is Arthur Page Brown. Drawn at a scale of 1/4 inch to 1 foot.