Bailey, V. O., Montana, Minnesota, Michigan, Wyoming (Yellowstone Park), July 1926 - September 1926

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The journal documents Vernon Orlando Bailey's fieldwork in Montana, Minnesota, Michigan, Wyoming (Yellowstone Park), July 3 - September 11, 1926. Entries are dated and detail travel from Washington, DC. Subject matter includes travel details (destinations, times of day, campsites), weather, daily activities, photographs taken, observations of birds and mammals including their behavior and habitat (sometimes listed as subheading in entries), specimen collecting, lists of mammal specimens for Yellowstone (type, sex, measurements, location, date), vegetation (type and state of growth), meetings with game wardens, beavers marked (type, sex, weight, quantity, habitat), and some notes about beaver farms. Some of the notebook is blank. Additional location includes geological landmarks (i.e. Old Faithful), Snake river.

Date Range


Start Date

Jul 03, 1926

End Date

Sep 11, 1926

Access Information

At least 24 hours advance notice is recommended to consult this collection. Contact the Division of Mammals at 202-633-1253 to make an appointment.


  • Animals
  • Birds
  • Mammalogy
  • Ornithology


  • Yellowstone National Park
  • Montana
  • United States
  • Wyoming
  • Minnesota
  • Michigan


  • Fieldbook record
  • Field notes

Accession #

SIA Acc. 12-443

Collection name

Mammal Section, Bird and Mammal Labs, Fish and Wildlife Service, US Department of the Interior, Division of Mammals

Physical Description

1 field book

Physical Location

National Museum of Natural History (U.S.). Division of Mammals