University of Arizona

Students, faculty, staff, and the public are now welcome to visit Special Collections without an appointment from 9 am to 5 pm, Monday through Friday.

Page from Paul Bigelow Sears' Pollen Field Notebook, March 7, 1928

Page from Pollen Field Notebook, March 7, 1928

Exceprt from a page from Paul Bigelow Sears' Pollen Field Notebook, March 7, 1928.