Bridge - Southern Marianas II, June 8 - July 27, 1946

Usage Conditions Apply
The Smithsonian Institution Archives welcomes personal and educational use of its collections unless otherwise noted. For commercial uses, please contact

Narrow Your Results


Filter Your Results

Smithsonian Secretaries Information

Close Browse records and papers of the Smithsonian Secretaries, from 1846 until today. Pre-set filters help narrow searches by individuals who have held that office.

Expeditions Information

Close Browse records and papers documenting scientific and collecting expeditions either affiliated with the Smithsonian, or with which Smithsonian researchers participated. Pre-set filters help narrow searches by geographic regions predominantly represented in expedition records.

Professional Societies Information

Close Browse records of professional societies closely associated with the Smithsonian, that focus on areas of scientific research and museum studies. Pre-set filters help narrow searches by major topics and disciplines.


The notebook documents the geological work of Harry S. Ladd in southern Marianas Islands, June 8 - July 27, 1946. The volume begins with a terrain profiles with location, date, and notes. Other entries are dated, headed with island, and narrative in structure. They include travel details, routes traveled, and geological characteristics of terrain. Other entries include notes on specimen collections, listing number (S-11 to S-37), type of rock, location collected, photograph number, and latitude and longitude. Locations are across Rota and Saipan.

Date Range


Start Date

Jun 08, 1946

End Date

Jul 27, 1946

Access Information

Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at




  • Saipan
  • Northern Mariana Islands
  • Mariana Islands
  • Rota


  • Fieldbook record
  • Field notes

Accession #

SIA Acc. 16-046

Collection name

Chalmer L. Cooper papers, c. 1932 - 1944

Physical Description

1 Field book

Physical Location

Smithsonian Institution Archives


Box 2 Folder 5