Subject: The Kolb brother's Colorado River expedition, 1911-1912: Lauzon and Kolb portaging a boat at Lava Cliff Rapid, Colorado River Mile 246.
Date: January 12, 1912
Collection: Grand Canyon National Park (No. 17177).
Subject: The Kolb brother's Colorado River expedition, 1911-1912: Lauzon and Kolb portaging a boat at Lava Cliff Rapid, Colorado River Mile 246.
Date: January 12, 1912
Collection: Grand Canyon National Park (No. 17177).