Alamosa SLRG Rio Grande Rwy, CO (# 0077) Alamosa, CO Rio Grande Scenic Rwy (# 0072) Alamosa, CO Rio Grande Scenic Rwy (# 0078) Alamosa, CO Rio Grande Scenic Rwy (# 0079) Alamosa, CO Rio Grande Scenic Rwy (# 0080) Cumbres & Toltec Railroad (intro) Cumbres & Toltec Railroad (# 0090) Cumbres & Toltec Railroad (# 0095) Cumbres & Toltec Railroad (# 0097) Cumbres & Toltec Railroad Cannabis... (# 0098) Cumbres & Toltec Railroad Cumbres Pass (# 0109) Cumbres & Toltec Railroad Cumbres Pass (# 0110) Cumbres & Toltec Railroad Cumbres Pass (# 0112) CO-17 (# 0102) Cumbres & Toltec Railroad 'fever' (# 0114) Cumbres & Toltec Railroad (# 0116) Cumbres & Toltec Railroad 484 (# 0117) Cumbres & Toltec Railroad 484 (# 0124) Cumbres & Toltec Railroad chase (# 0129) Cumbres & Toltec Railroad chase (# 0131) Cumbres & Toltec Railroad chase (# 0133) Cumbres & Toltec Railroad chase (# 0136) Cumbres & Toltec Railroad chase (# 0138) Stonewall, CO (# 0068) New Elk Coal Co (# 0066) New Elk Coal Co (# 0065) Trinidad, CO (# 0033) Cokedale Historic Dist, CO slag pile (# 0064) Cokedale Historic Dist, CO wash plant (# 0063) Cokedale Historic Dist, CO coking ovens (# 0062) Cokedale Historic Dist, CO miner memorial (# 0055… Cokedale Historic Dist, CO slag pile (# 0055) Ludlow, CO labor monument (# 0046) Ludlow, CO labor monument (# 0044) Ludlow, CO labor monument (# 0043) Ludlow, CO labor monument (# 0041) Ludlow, CO labor monument (# 0039) Ludlow, CO labor monument (# 0038) NM-72 (# 0031) Folsom, NM (# 0029) Folsom, NM heroine (# 0026) Folsom, NM archaeologists (# 0024) Folsom, NM (# 0028) Capulin Volcano NM, NM New Deal (# 0022) Capulin Volcano NM, NM funding (# 0018)