General Note: Shows elevation and grade of track over these sections. Vertical scale 1:200 or 1" = 100 ft.; horizontal scale 1:31,680 or 2" = 1 mile. No. 70 Trinidad to Tercio ; Primero Branch, 1928. -- No. 72 Kenneth Rapson Mine Spurs. -- No. 73 Burwind Branch. -- No. 76 Jewel Mine Spur. -- No. 77 Cameron and Ravenwood Mine spurs. -- No. 78 Sherman and Thor Mine spurs. -- No. 79 Aguilar Branch. -- No. 80 Robinson Mine Spur, 1930. -- No. 81 Hastings Branch, 1928. -- No. 82 Sopris Branch, 1928. -- No. 83 Ideal mine spur, 1930. Credited to Office of Chief Engineer.