Change Author / Owner : Field notes, January 1907 - February 1910 : bird observations and collection data recorded at Stockton, California, January - February, 1907; Arizona Territory, February - July 1907; Lawrence, Kansas, July 1907 - May 1908; Canandaigna Lake, New York, July - August 1908; Rockport, Canada, August 1908; and Colorado, April 1909 - February 1910
Alexander Wetmore records observations and bird specimens collected in Colorado, August 1909 - February 1910. Entries are chronological and headed by date. Entries included specimen details and descriptions of the collecting event. Details include: number, bird name, collector, location, and size. Descriptions cover weather, terrain, vegetation, bird appearance, behavior, as well as information about setting traps, and outing companions (B. Rockwell and L.J. Hersey). Collecting sites include the vicinity of: Golden, Morrison, Palmer Lake, Aurora, and Table Mountain. The second half of the notebook is blank.