Box 04

The Dennis M. Powers papers contain research materials including interviews and notes used in the authorship of several books

The articles concern the history of steamships and related treasures. Topics include the history of west coast steamers in the US, the treasure aboard a steamship from Rio De Janeiro, and the Brother Jonathan. Most materials are from the Columbia River Maritime Museum in Astoria, Oregon.

The articles concern the recovery of the steamship Brother Jonathan and its treasure. Included is an article about the then-recent recovery of Brother Jonathan from the San Francisco Chronicle, Friday, February 25th, 1994.

The research materials concern the excavation and conservation of the Brother Jonathan treasure ship. Notable materials include the titles Conservation Research Laboratory Report No. 12, Shipwrecks Reconciling Salvage and Underwater Archaeology, and Lewis and Dryden's Marine History of the Pacific Northwest.

A report of field activities on the S.S. Brother Jonathan. Also included are articles about the last guano traders and the sailor "Dynamite" Johnny O'Brien.

An excerpt from a book on shipwrecks near the Farallon Islands, Ocean Beach, San Francisco Headlands, the Marin coast, and Bolinas.

The materials describe the dive for the treasure on the shipwrecked Brother Jonathan and the related legal case between Deep Sea Research and the state of California.

A series of articles recollecting the wreck of the steamship Brother Jonathan. The Del Norte County Historical Society, the New York Times, excerpts from the Daily Alta California Recording, and the San Francisco Chronicle provided the articles.

A series of articles regarding the California Treasure Hunters, who won the legal rights to take one year to salvage the wreck of the S.S. Brother Jonathan.

A series of profiles on steamships. The materials provide information on name, dates of operation, builders, machinery types, design, measurements, owners, and a story of each ship's history.