Seneca Mine Coal Flat No. 2, Pre-Construction Seneca Mine – Coal Flat No. 2, Pre-Construction Downloads: full (450x209) | thumbnail (150x150) | medium (300x139) | medium_large (450x209) | large (450x209) | 1536x1536 (450x209) | 2048x2048 (450x209) | thumbnail-proportional (150x70) | thumbnail-loop (150x100) | thumbnail-featured (450x209) | woocommerce_thumbnail (300x209) | woocommerce_single (450x209) | woocommerce_gallery_thumbnail (100x100)