The collection contains annual reports, legal records, correspondence, committee materials, financial records, publications, photographs and ten scrapbooks.

The collection contains correspondence, financial materials, articles, pamphlets, photographs, news clippings, sketchbooks, a tape recording, and miscellaneous reference materials. Most of the records originate from the period between 1940-1958 and document Barnes' financial interests and his involvement in the St. Lawrence Seaway project. Some personal correspondence is also included.

The collection contains administrative records, financial records, and historical records.

The collection contains minutes, financial books, annual reports, publications, maps, miscellaneous correspondence, news clippings, photographs, timetables, and microfilmed scrapbooks. Financial records represent the largest portion of records, and there is a significant lack of executive records.

The collection contains minutes, correspondence, financial and reference materials, photographs and scrapbooks.

The collection contains articles of incorporation; bylaws; annual meeting materials; minutes; correspondence; financial materials; news releases; resolutions; issue files on topics such as acid rain, conservation, harbor refuge, etc.; some Reserve Mining case exhibits; scrapbooks; bumper stickers; and an oral history project.

The collection contains correspondence, minutes, scrapbooks, financial records, and reference materials.