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- Government of Puerto Rico, Department of the Interior,United States Department of the Interior Geological Survey66
- Government of Puerto Rico, Department of Public Works,United States Department of the Interior Geological Survey58
- The Survey11
- The Survey ; For sale by Information Services2
- publisher not identified2
- El Survey ; Distribuido por el Gobierno de Puerto Rico, Departamento del Interior1
- G.W. & C.B. Colton1
- S. Galignani et G. Porro1
- The Century Co.,Matthews-Northrup Co.1
- The Office1
- The Region1
- The Service1
- U.S. Forest Service, U.S. Geological Survey)1
- U.S. Geological Survey1
- University of Puerto Rico1
