A few nice Fishing In Montana images I found:
Keystone Market, Butte, Montana (1901)

Image by Butte-Silver Bow Public Library
The Keystone Market, Butte, Montana (1901)
S. D. Sigourney
Dealer in fresh meats, fish, poultry, sausage, and choice home-rendered lard.
Image taken from pg 20 of Souvenir history of the Butte Fire Department by Peter Sanger, Chief Engineer.
View entire book at the Montana Memory Project.
Unique ID: mze-butt1901 pg 20
Type: Pamphlet
Contributors: Sanger, Peter, Peoples Pub. Co. Butte, Mont.
Date Digital: September 2009
Date Original: November 1901
Source: Butte Digital Image Project at Montana Memory Project (read the book)
Library: Butte-Silver Bow Public Library in Butte, Montana, USA.
Rights Info: Public Domain. Not in Copyright. Please see Montana Memory project Copyright statement and Conditions of Use (for more information, click here). Some rights reserved. Attribution-Noncommercial-No Derivative Works.
More information about the Montana Memory Project: Montana’s Digital Library and Archives.
More information about the Butte-Silver Bow Public Library.
Search the Butte-Silver Bow Public Library Catalog.
It’s a lunker

Image by Matt Crest
Trust me, there’s a massive fish in that picture somewhere.
If you click on "All Sizes" just above the image, you can almost see it
Rock Creek fly fishing

Image by drburtoni
flyfishing in a blue ribbon trout stream–Rock Creek– in Montana.
BEST SEEN LARGE