21901 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21902 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21903 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21904 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21905 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21906 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21907 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21908 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21909 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21910 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21911 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21912 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21913 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21914 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21915 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21916 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21917 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21918 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21919 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21920 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21921 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21922 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21923 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21924 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21925 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21926 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21927 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21928 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21929 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21930 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21931 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21932 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | siltstone or turbidites | View |
21933 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21934 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21935 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21936 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21937 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21938 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21939 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21940 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21941 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21942 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21943 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21944 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21945 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21946 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21947 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21948 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21949 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21950 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21951 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21952 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21953 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21954 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21955 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21956 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21957 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21958 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21959 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21960 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21961 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21962 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21963 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21964 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21965 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21966 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21967 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21968 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21969 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21970 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21971 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21972 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21973 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21974 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21975 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21976 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | ripple marks | sandstone | View |
21977 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21978 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21979 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21980 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | ripple marks | sandstone | View |
21981 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21982 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | ripple marks | sandstone | View |
21983 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21984 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21985 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21986 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21987 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21988 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21989 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | imbrication | conglomerate | View |
21990 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | imbrication | conglomerate | View |
21991 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | imbrication | conglomerate | View |
21992 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | imbrication | conglomerate | View |
21993 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21994 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21995 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21996 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21997 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21998 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
21999 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |
22000 | North American | Lower Carboniferous (Mississippian) | 25915 | North American | marine shallow | crossbedding | sandstone | View |