The collection consists of notes for lectures given by the nature photographer Herman T. Bohlman. Lectures include talks on birds in the Crater Lake region, on the California Condor, and wintertime birds. The collection additionally contains a handwritten schedule of talks, loose notes, the envelopes in which the notes were originally stored, and a photograph by Bohlman of a black chickadee family which was found with the notes.
Handwritten lecture notes describing birds and animals encountered while traveling around Oregon, including Crater Lake, Willamette Valley, and Rogue River.