Diagrams and Maps: Drilling Rigs Offshore: Types-(including models) (Conical) conical structure designed for drill work in the offshore Technology Conference, Houston, Texas, 1981 May
name: label: Collection Creator
content: American Petroleum Institute.
setName: label: See more items in
content: American Petroleum Institute Photograph and Film Collection
label: See more items in
content: American Petroleum Institute Photograph and Film Collection / Series 2: Modern Photographs, 1960s-1980s
container: label: Container
content: Box 33, Folder 59
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials