Historic Photo: Sault St. Marie Poling Rapids

From this Ebay seller comes a steroview photo of a man poling up the rapids near Sault Ste. Marie. Just behind the poler is a paddle resting on the thwarts. The stout paddle shaft has a short, flattened bobble style grip ending.

Title: 7992 Breasting rapids at Sault Ste. Marie with an Indian guide 

Underwood & Underwood, New York, London, Toronto, Ottawa

Unfortunately, there is no date associated with the photo description, but the photographic company,
Underwood & Underwood, were major publishers of stereoscopic photos until 1920.