Photograph of Roy Ozmer (1889-1969) and Arthur Woody, chief ranger of the US Forest Service, circa 1930s. Ozmer is standing on the right in this image.

Myron Avery on Hawksbill Mountain in Shenandoah National Park with his famous measuring wheel. Avery was rarely without his wheel when he was on the trail.

Myron Avery points out a trail location in the late 1930s. Pictured with Avery (pointing with an axe) are, from left, PATC members Howard Olmstead, Bob Beach, Dr. Laurence Schmeckebeier, and Mary Jo Williams.