Harry Stephen Ladd Papers, circa 1915-1982 and undated.

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Harry Stephen Ladd Papers, circa 1915-1982 and undated.

http://www.worldcat.org/oclc/82303147

These papers document Ladd's career with the USGS and his research on the geology of Pacific Islands. They include incoming and outgoing correspondence documenting field work, USGS matters, research and the publication of papers, and professional activities; diaries and field notes, mostly documenting his investigations in the Pacific; scrapbooks documenting personal and professional affairs, but which are particularly strong in documenting his role in the Crossroads Operation and Project Mohole; photographs, slides, and motion pictures, mostly from his field work in the Pacific; an oral history interview of Ladd conducted in 1977; and various manuscripts, notes, and lists from his research.

1.2 linear meters.

Smithsonian Institution Archives

Information

SNAC Resource ID: 8280159

Smithsonian Institution Archives

Related Entities

There are 4 Entities related to this resource.

Crossroads Operation.

http://n2t.net/ark:/99166/w6cw3385 (corporateBody)

Ladd, Harry Stephen

http://n2t.net/ark:/99166/w6v49jj5 (person)

Harry Stephen Ladd (1899-1982) received his Ph.D. in geology from the University of Iowa in 1925. The initial part of his professional career was spent in faculty positions at his alma mater and the University of Virginia, as a geologist with the Gulf Oil Company in Venezuela, and studying fossils under Edward Oscar Ulrich at the United States National Museum. Ladd began his career with the United States Department of the Interior in 1936 when he was appointed Geologist with the Nat...

Mohole Project.

http://n2t.net/ark:/99166/w6x14sb2 (corporateBody)

Geological survey (U.S.)

http://n2t.net/ark:/99166/w6wd7pcw (corporateBody)

E.W. Glafcke was in charge of a crew during the United States Geological Survey's spirit leveling activities in Wyoming and Utah from 1896 to 1912. From the guide to the United States Geologic Survey photograph collection, 1892-1912, 1898-1902, (Utah State University. Special Collections and Archives) First organized as a branch in 1889, the Topographic Division was established in 1947. From the description of Records of the Topographic Division. (Unknown). World...