The camera was his second language. He carried it the way other people carried wallets.
Loaded into it that morning was roll number 19, a fresh 36 exposure Kodakchrome 64 he had loaded the previous evening by the light of the cabin’s single overhead bulb.
The film advancing smoothly until the frame counter stopped at the number one. His plan for the day, written in the small green notebook he kept in the left breast pocket of his canvas [music] field shirt, was methodical and specific.
He would depart the Roosevelt Lodge trail head no later than 7:00 in the morning, heading southeast on the northeast entrance road connector to the Tower Junction, then picking up the trail south along the Yellowstone River toward Tower Fall, where he intended to photograph the basalt columns in the morning light.
From Tower Fall, he would continue south along the rim trail toward the Grand Canyon of the Yellowstone, stopping at Inspiration Point and Artist Point to shoot the canyon in afternoon light before making his return via the North Rim Trail to complete a loop of approximately 16 mi.