| 21201 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21202 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21203 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21204 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21205 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21206 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21207 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21208 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21209 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21210 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21211 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21212 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21213 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21214 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21215 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21216 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21217 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21218 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21219 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21220 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21221 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21222 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21223 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21224 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21225 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21226 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21227 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21228 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21229 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21230 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21231 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21232 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21233 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21234 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21235 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21236 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21237 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21238 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21239 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21240 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21241 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21242 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21243 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21244 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21245 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21246 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21247 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21248 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21249 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21250 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21251 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21252 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21253 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21254 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21255 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21256 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21257 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21258 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21259 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21260 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21261 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21262 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21263 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21264 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21265 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21266 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21267 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21268 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21269 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21270 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Crossbedding | Sandstone | | View |
| 21271 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Flute/Grooves | Sandstone | | View |
| 21272 |
| North American | Upper Carboniferous (Pennsylvanian) | 26290 | North American | Marine Deep | Flute/Grooves | Sandstone | | View |
| 21273 |
| North American | Upper Carboniferous (Pennsylvanian) | 26280 | North American | Marine Deep | Model | Siltstone or Turbidites | Conemaugh | View |
| 21274 |
| North American | Upper Carboniferous (Pennsylvanian) | 26280 | North American | Marine Deep | Model | Siltstone or Turbidites | Conemaugh | View |
| 21275 |
| North American | Upper Carboniferous (Pennsylvanian) | 26280 | North American | Marine Deep | Crossbedding | Sandstone | Brush Creek Limestone | View |
| 21276 |
| North American | Upper Carboniferous (Pennsylvanian) | 26280 | North American | Marine Deep | Crossbedding | Sandstone | Saltsburg | View |
| 21277 |
| North American | Upper Carboniferous (Pennsylvanian) | 26271 | North American | Marine Shallow | Crossbedding | Sandstone | Marshall | View |
| 21278 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21279 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21280 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21281 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21282 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21283 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21284 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21285 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21286 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21287 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21288 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21289 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21290 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21291 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21292 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21293 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21294 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21295 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21296 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21297 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21298 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21299 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | Allegheny | View |
| 21300 |
| North American | Upper Carboniferous (Pennsylvanian) | 26270 | North American | Fluvial Deltaic | Crossbedding | Sandstone | | View |