Narrow gauge railways in United States

We don't know which railway these photos were taken on. Can you help us classify them?

• California State Railroad Museum (4 images)
• Chattanooga Incline (10 images)
• Colorado railroad museum (7 images)
• Cripple Creek and Victor Narrow Gauge Railroad
• Cumbres & Toltec Scenic Railroad (21 images)
• Denver & Rio Grande (4 images)
• Durango & Silverton Narrow Gauge Railroad (39 images)
• East Broad Top Railroad
• Georgetown Loop Railroad (7 images)
• Hawaiian Railways (8 images)
• Maine Narrow Gauge Railroad (4 images)
• Monson Railroad
• Proviso Yard 1943
• Sandy River & Rangeley Lakes Railroad
• Wales West Light Railway (9 images)
• Westside Lumber (24 images)
• White Pass & Yukon (2 images)
• Wiscasset, Waterville & Farmington Railway Museum (3 images)