Notes and data from the International Boundary Commission

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This item contains mostly various surveying data taken during the International Boundary Commission for the United States and Mexican boundary, including the names of tracts, data for description of collecting stations, altitudes, coordinates and miles, map, and sections of Mexican Boundary Line. Notes include data for stations and "monuments" (survey markers). Very few notes on natural history are included. Mearns notes that water birds were collected at Laguna Del Alamo (it seems he and his colleagues were traveling from the vicinity of Nariz Mountains (Sierra de la Nariz) to Milquata Valley and to the Pacific Ocean. Also included is "subdivisions of the Mexican Boundary Region based on variations in its mammals". Dates generally range from 1892-1894.

Date Range


Start Date


End Date


Access Information

At least 24 hours advance notice is recommended to consult this collection. Contact the Division of Birds at (202) 633-0800 to make an appointment.


  • Animals
  • Birds
  • Mammalogy
  • Ornithology


  • United States
  • Nariz, Sierra de la
  • Mexico
  • Arizona


  • Fieldbook record
  • Field notes
  • Maps

Accession #

SIA RU007083

Collection name

Edgar Alexander Mearns Papers, circa 1871-1916, 1934 and undated

Physical Description

1 field book

Physical Location

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


Box 9 (SIA Box 16) Folder 4