Talamanca, Costa Rica, November 1915 ; sampling Duncan's claims, Canal Zone, January 1916 ; moisture samples, Culebra Cut

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The field book covers the work of Donald F. MacDonald in Talamanca, Costa Rica, November 4 - 22, 1915; sampling of B. B. Duncan's claims in the Canal Zone, January 1916; and moisture samples in the Culebra Cut of the Panama Canal. Entries are dated and contain travel details, daily activities, samples collected including fossils (spec. and fossil lot numbers), measurements of terrain (traverses), details about campsites, and descriptions of geological characteristics. Entries from sampling of Duncan's claims contain a numbered list with descriptions of samples and location, along with hand drawn maps. Toward the end of the volume is a numbered list of moisture samples with location information.

Date Range


Start Date

Nov 04, 1915

End Date

Jan 30, 1916

Access Information

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  • Geology
  • Paleontology


  • Panama
  • Canal Zone
  • Costa Rica


  • Fieldbook record
  • Field notes

Accession #

SIA Acc. 16-133

Collection name

Donald F. MacDonald papers, 1911-1916

Physical Description

1 field book

Physical Location

Smithsonian Institution Archives


Box 1 Folder 17