I haven't been able to find out anything about Mr. Westgard, except that he (presumably a he) took pictures of autos in desolate western settings.
An AAA Good Roads Official on his transcontinental auto trip passes the only
road sign in evidence along the dusty, desolate road near Glendive, Montana. July 1912
Covered wagon with jackrabbit mules encounters an automobile
on the trail near Big Springs, Nebraska, 1912
[this looks like something out of a Twilight Zone episode...]
Members of the Denver Motor Club and Chamber of Commerce test-driving
the Denver to Salt Lake Exposition route near De Beque, Colorado, 1912
Townspeople of Ehrenburg, Arizona Territory, greet a stranger in
an automobile on his pioneer cross country tour. Saloon in background, ca. 1911