Handwritten letter to unspecified recipient from Albert [Chireu], accompanying a report (not included in archive). The writer does not have confidence in the positive tone of the report with regard to its mining potential. (26 [Mar] 1897).

File of letters to M M O'Shaughnessy from C B Taylor on the subject of an opportunity with a 'Texas Mine'. The letters refer to Taylor's work with potential investors in the mine, referred to as the Boston Syndicate. They follow up on points discussed in a previous meeting between Taylor and O'Shaughnessy, including a dedicated report on the mine, and the prospect of O'Shaughnessy obtaining a 40 day option on the mine in Texas. Later in the correspondence, an arrangement with Mr Hart is referred to, and O'Shaughnessy is asked to report on an unspecified property and house. (1-29 Apr 1897).

A handwritten draft of a letter from M M O'Shaughnessy to Mr Taylor marked 'Strictly Confidential'. Notes he has met Mr Hart and another associate and they have considered Taylor's proposed purchasing of the Texas Consolidated Mine, Shasta County (Incorporated). Outlines Mr Hart's terms for a sale. (Undated).

Handwritten letter to M M O'Shaughnessy from T R [Danneman]. Explains a decision to hire a local resident to carry out a survey on an unspecified mine. (12 [Mar] 1897).

Handwritten letter to O'Shaughnessy from James Jos. A Kahny of Redding Beer Bottling Works, Redding California. Wishes to make an arrangement with O'Shaughnessy to visit the [Bovery] Bell Mine with him. (2 Apr 1897).

Letter to O'Shaughnessy from C [ ] of the Department of the Interior, Washington. Refers to enclosures (not included in the archive), concerning mineral entries on government lands. (7 Jun 1897).

Handwritten note to M M O'Shaughnessy from [D T] Callahan, writing from the Grand Hotel in San Francisco seeking an address for the Mountain Mines Company in London. (14 Jun 1897).

Letter to M M O'Shaughnessy from M O Tibbits, General Manager of the Canada Mutual Mining and Development Co. Opening up correspondence with the object of O'Shaughnessy doing business in the mining districts of British Columbia. (18 Aug 1897).

Cover torn from a paper from the US Geological Survey 'Economic Geology of the Bingham Mining District, Utah', 1905. The paper is available publicly at https://pubs.er.usgs.gov/publication/pp38 The area was studied on account of its geological structure and the peculiar relations of its ore deposits.

Three geological maps to accompany the report. The maps are drawn at a scale of 1 inch to 500 metres. One map demonstrates the economic geology of the district, with an index to the mines. The second represents ore deposits in different colours. The third map shows sucture sections with rock deposits at heights above sea level.

Blueprint design for a fence, California Midwinter Exposition. Drawn by M M O'Shaughnessy, at a scale of 2 feet to 1 inch.

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