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County | County Exp. # | Cat. # | Drawer # | System | Lithic Types | Heated | Exposure |
---|---|---|---|---|---|---|---|
Adair | AD-A1 | 323 | 5 | Pennsylvanian | Bethany Falls B | Q | |
Adair | AD-A1+ | 323 | 5 | Pennsylvanian | Bethany Falls B | + | Q |
Adair | AD-B | 338 | 9 | Pennsylvanian | Stoner | C | |
Adair | AD-B+ | 338 | 9 | Pennsylvanian | Stoner | + | C |
Adair | AD-A2 | 341 | 9 | Pennsylvanian | Winterset A | Q | |
Adair | AD-A2+ | 341 | 9 | Pennsylvanian | Winterset A | + | Q |
Allamakee | AM-C | 368 | 24 | Ordovician (Lower) | Oneota | C | |
Allamakee | AM-C+ | 368 | 24 | Ordovician (Lower) | Oneota | + | C |
Allamakee | AM-A1 | 183 | 24 | Ordovician (Lower) | Shakopee | O | |
Allamakee | AM-A1+ | 183 | 24 | Ordovician (Lower) | Shakopee | + | O |
Allamakee | AM-A2 | 184 | 24 | Ordovician (Lower) | Shakopee | O | |
Allamakee | AM-A2+ | 184 | 24 | Ordovician (Lower) | Shakopee | + | C |
Allamakee | AM-B | 185 | 24 | Ordovician (Lower) | Shakopee Oolitic | O | |
Allamakee | AM-B+ | 185 | 24 | Ordovician (Lower) | Shakopee Oolitic | + | O |
Appanoose | AN-A | 479 | 12 | Mississippian (Middle) | Keokuk | ||
Appanoose | AN-A+ | 479 | 12 | Mississippian (Middle) | Keokuk | + | |
Benton | BE-B | 481 | 18 | Devonian (Middle) | Rapid | ||
Benton | BE-B+ | 481 | 18 | Devonian (Middle) | Rapid | + | |
Benton | BE-A | 480 | 20 | Silurian (Lower) | Scotch Grove | ||
Benton | BE-A+ | 480 | 20 | Silurian (Lower) | Scotch Grove | + | |
Buchanan | BC-A | 361 | 18 | Devonian (Middle) | Rapid | ||
Buchanan | BC-A+ | 361 | 18 | Devonian (Middle) | Rapid | + | |
Buena Vista | BV-B | 1 | Quaternary | Till Cobble | |||
Buena Vista | BV-A | 156 | 1 | Quaternary | Sioux Quartzite | ||
Buena Vista | BV-A+ | 156 | 1 | Quaternary | Sioux Quartzite | + | |
Butler | BT-A1 | 85 | 16 | Mississippian (Lower) | Maynes Creek Cream | O | |
Butler | BT-A1+ | 85 | 16 | Mississippian (Lower) | Maynes Creek Cream | + | O |
Butler | BT-A2+ | 130 | 16 | Mississippian (Lower) | Maynes Creek Fossiliferous | + | O |
Calhoun | CH-A4 | 469 | 1 | Quaternary | Till Cobble | ||
Calhoun | CH-A4+ | 469 | 1 | Quaternary | Till Cobble | + | |
Calhoun | CH-A5 | 470 | 1 | Quaternary | Till Cobble | ||
Calhoun | CH-A5+ | 470 | 1 | Quaternary | Till Cobble | + | T |
Calhoun | CH-B1 | 471 | 1 | Quaternary | Till Cobble | ||
Calhoun | CH-B1+ | 471 | 1 | Quaternary | Till Cobble | + | |
Calhoun | CH-B2 | 1 | Quaternary | Till Cobble | |||
Calhoun | CH-B2+ | 1 | Quaternary | Till Cobble | + | ||
Calhoun | CH-B3 | 1 | Quaternary | Till Cobble | |||
Calhoun | CH-B3+ | 1 | Quaternary | Till Cobble | + | ||
Calhoun | CH-B4 | 1 | Quaternary | Till Cobble | |||
Calhoun | CH-B4+ | 1 | Quaternary | Till Cobble | + | ||
Calhoun | CH-B5 | 1 | Quaternary | Till Cobble | |||
Calhoun | CH-B5+ | 1 | Quaternary | Till Cobble | + | ||
Calhoun | CH-B6 | 1 | Quaternary | Till Cobble | |||
Calhoun | CH-B6+ | 2 | Quaternary | Till Cobble | + | ||
Calhoun | CH-C1 | 2 | Quaternary | Till Cobble | |||
Calhoun | CH-C1+ | 2 | Quaternary | Till Cobble | + | ||
Calhoun | CH-C2 | 2 | Quaternary | Till Cobble | |||
Calhoun | CH-C2+ | 2 | Quaternary | Till Cobble | + | ||
Calhoun | CH-C3 | 2 | Quaternary | Till Cobble | |||
Calhoun | CH-C3+ | 2 | Quaternary | Till Cobble | + | ||
Calhoun | CH-C4 | 2 | Quaternary | Till Cobble | |||
Calhoun | CH-C4+ | 2 | Quaternary | Till Cobble | + | ||
Calhoun | CH-C5 | 2 | Quaternary | Till Cobble | |||
Calhoun | CH-C6 | 472 | 2 | Quaternary | Till Cobble | ||
Calhoun | CH-C7 | 473 | 2 | Quaternary | Till Cobble | ||
Calhoun | CH-C8 | 475 | 2 | Quaternary | Till Cobble | ||
Calhoun | CH-A1 | 466 | 1 | Quaternary | Till Cobble | ||
Calhoun | CH-A1+ | 466 | 1 | Quaternary | Till Cobble | + | T |
Calhoun | CH-A2 | 467 | 1 | Quaternary | Till Cobble | ||
Calhoun | CH-A2+ | 467 | 1 | Quaternary | Till Cobble | + | T |
Calhoun | CH-A3 | 468 | 1 | Quaternary | Till Cobble | ||
Calhoun | CH-A3+ | 468 | 1 | Quaternary | Till Cobble | + | T |
Cass | CA-A | 340 | 9 | Pennsylvanian | Stoner | M | |
Cass | CA-A+ | 340 | 9 | Pennsylvanian | Stoner | + | M |
Cass | CA-B | 339 | 9 | Pennsylvanian | Stoner | M | |
Cass | CA-B+ | 339 | 9 | Pennsylvanian | Stoner | + | M |
Cerro Gordo | CE-A | 174 | 2 | Quaternary | Taconite Jasper | T | |
Cerro Gordo | CE-A+ | 174 | 2 | Quaternary | Taconite Jasper | + | T |
Cherokee | CK-A1 | 58 | 2 | Quaternary | Tongue River Silica | S | |
Cherokee | CK-A1+ | 58 | 2 | Quaternary | Tongue River Silica | + | S |
Cherokee | CK-A2+ | 59 | 2 | Quaternary | Tongue River Silica | S | |
Cherokee | CK-A3 | 60 | 2 | Quaternary | Tongue River Silica | S | |
Cherokee | CK-A3+ | 60 | 2 | Quaternary | Tongue River Silica | + | S |
Cherokee | CK-A4 | 61 | 2 | Quaternary | Tongue River Silica | S | |
Cherokee | CK-A4+ | 61 | 2 | Quaternary | Tongue River Silica | + | S |
Cherokee | CK-A5 | 62 | 2 | Quaternary | Tongue River Silica | S | |
Cherokee | CK-A5+ | 62 | 2 | Quaternary | Tongue River Silica | + | S |
Clayton | CT-D | 64 | 22 | Silurian (Lower) | Blanding | ||
Clayton | CT-D+ | 64 | 22 | Silurian (Lower) | Blanding | + | Q |
Clayton | CT-C | 63 | 23 | Ordovician (Middle) | Galena | O | |
Clayton | CT-C+ | 63 | 23 | Ordovician (Middle) | Galena | + | O |
Clayton | CT-E | 65 | 23 | Ordovician (Middle) | Galena | ||
Clayton | CT-E+ | 65 | 23 | Ordovician (Middle) | Galena | + | O |
Clayton | CT-H | 200 | 23 | Ordovician (Middle) | Galena | O | |
Clayton | CT-H+ | 200 | 23 | Ordovician (Middle) | Galena | + | O |
Clayton | CT-I | 207 | 23 | Ordovician (Middle) | Galena | O | |
Clayton | CT-I+ | 207 | 23 | Ordovician (Middle) | Galena | + | O |
Clayton | CT-G | 186 | 24 | Ordovician (Middle) | Galena | Q | |
Clayton | CT-G+ | 186 | 24 | Ordovician (Middle) | Galena | + | |
Clayton | CT-B | 57 | 21 | Silurian (Lower) | Hopkinton | C | |
Clayton | CT-B+ | 57 | 21 | Silurian (Lower) | Hopkinton | + | C |
Clayton | CT-F | 66 | 21 | Silurian (Lower) | Hopkinton | C | |
Clayton | CT-F+ | 66 | 21 | Silurian (Lower) | Hopkinton | + | C |
Clayton | CT-J | 482 | 21 | Silurian (Lower) | Hopkinton | ||
Clayton | CT-J+ | 482 | 21 | Silurian (Lower) | Hopkinton | + | |
Clayton | CT-? | 257 | 24 | Ordovician (Lower) | Oneota | ||
Crawford | CF-A | 143 | 3 | Quaternary | Knife River Flint | T | |
Decatur | DT-A | 342 | 9 | Pennsylvanian | Winterset A | Q | |
Decatur | DT-A+ | 342 | 9 | Pennsylvanian | Winterset A | + | Q |
Delaware | DW-B+ | 206 | 22 | Silurian (Lower) | Blanding | + | Q |
Delaware | DW-C | 194 | 22 | Blanding | C | ||
Delaware | DW-C+ | 194 | 22 | Silurian (Lower) | Blanding | + | C |
Delaware | DW-F | 508 | 22 | Silurian (Lower) | Blanding | ||
Delaware | DW-F+ | 508 | 22 | Silurian (Lower) | Blanding | + | |
Delaware | DW-E | 454 | 21 | Silurian (Lower) | Hopkinton | ||
Delaware | DW-E+ | 454 | 21 | Silurian (Lower) | Hopkinton | + | C |
Delaware | DW-G | 509 | 21 | Silurian (Lower) | Hopkinton | ||
Delaware | DW-G+ | 509 | 21 | Silurian (Lower) | Hopkinton | + | |
Delaware | DW-H | 510 | 21 | Silurian (Lower) | Hopkinton | ||
Delaware | DW-H+ | 510 | 21 | Silurian (Lower) | Hopkinton | + | |
Delaware | DW-D | 448 | 18 | Devonian (Middle) | Wapsipinicon | ||
Delaware | DW-D+ | 448 | 18 | Devonian (Middle) | Wapsipinicon | + | |
Delaware | DW-B | 206 | 22 | Silurian (Lower) | Blanding | Q | |
Des Moines | DM-B | 74 | 13 | Mississippian (Middle) | Burlington | O | |
Des Moines | DM-B+ | 74 | 13 | Mississippian (Middle) | Burlington | + | O |
Des Moines | DM-C | 75 | 13 | Mississippian (Middle) | Burlington | S | |
Des Moines | DM-C+ | 75 | 13 | Mississippian (Middle) | Burlington | + | S |
Des Moines | DM-D | 87 | 13 | Mississippian (Middle) | Burlington | Q | |
Des Moines | DM-D+ | 87 | 13 | Mississippian (Middle) | Burlington | + | Q |
Des Moines | DM-E | 256 | 13 | Mississippian (Middle) | Burlington | C | |
Des Moines | DM-E+ | 256 | 13 | Mississippian (Middle) | Burlington | + | C |
Des Moines | DM-F1 | 151 | 13 | Mississippian (Middle) | Burlington | O | |
Des Moines | DM-F1+ | 151 | 13 | Mississippian (Middle) | Burlington | + | O |
Des Moines | DM-F2+ | 208 | 13 | Mississippian (Middle) | Burlington | + | O |
Des Moines | DM-G | 209 | 13 | Mississippian (Middle) | Burlington | O | |
Des Moines | DM-G+ | 209 | 13 | Mississippian (Middle) | Burlington | + | O |
Des Moines | DM-H | 287 | 13 | Mississippian (Middle) | Burlington | O | |
Des Moines | DM-H+ | 287 | 13 | Mississippian (Middle) | Burlington | + | O |
Des Moines | DM-I | 483 | 14 | Mississippian (Middle) | Burlington | ||
Des Moines | DM-I+ | 483 | 14 | Mississippian (Middle) | Burlington | + | |
Dubuque | DB-A | 11 | 22 | Silurian (Lower) | Blanding | C | |
Dubuque | DB-A+ | 22 | 18 | Silurian (Lower) | Blanding | + | C |
Dubuque | DB-F | 119 | 22 | Silurian (Lower) | Blanding | C | |
Dubuque | DB-F+ | 119 | 18 | Silurian (Lower) | Blanding | + | C |
Dubuque | DB-G | 179 | 22 | Silurian (Lower) | Blanding | ||
Dubuque | DB-G+ | 179 | 22 | Silurian (Lower) | Blanding | + | |
Dubuque | DB-M | 476 | 22 | Silurian (Lower) | Blanding | ||
Dubuque | DB-M+ | 476 | 22 | Silurian (Lower) | Blanding | + | |
Dubuque | DB-B | 125 | 23 | Ordovician (Middle) | Galena | O | |
Dubuque | DB-B+ | 125 | 23 | Ordovician (Middle) | Galena | + | O |
Dubuque | DB-C | 126 | 23 | Ordovician (Middle) | Galena | O | |
Dubuque | DB-C+ | 126 | 23 | Ordovician (Middle) | Galena | + | O |
Dubuque | DB-D | 127 | 23 | Ordovician (Middle) | Galena | O | |
Dubuque | DB-E | 128 | 23 | Ordovician (Middle) | Galena | O | |
Dubuque | DB-E+ | 128 | 23 | Ordovician (Middle) | Galena | + | O |
Dubuque | DB-H | 289 | 21 | Silurian (Lower) | Hopkinton | C | |
Dubuque | DB-H+ | 289 | 21 | Silurian (Lower) | Hopkinton | + | C |
Dubuque | DB-I | 291 | 21 | Silurian (Lower) | Hopkinton | O | |
Dubuque | DB-I+ | 291 | 21 | Silurian (Lower) | Hopkinton | + | O |
Fayette | FT-A | 249 | 22 | Silurian (Lower) | Blanding | C | |
Fayette | FT-A+ | 249 | 22 | Silurian (Lower) | Blanding | + | C |
Fayette | FT-B | 250 | 23 | Ordovician (Middle) | Galena | Q | |
Fayette | FT-B+ | 250 | 23 | Ordovician (Middle) | Galena | + | Q |
Franklin | FN-A+ | 131 | 16 | Mississippian (Lower) | Maynes Creek Cream | + | Q |
Franklin | FN-B | 116 | 16 | Mississippian (Lower) | Maynes Creek Cream | O | |
Franklin | FN-B+ | 116 | 16 | Mississippian (Lower) | Maynes Creek Cream | + | O |
Fremont | FM-A | 326 | 7 | Pennsylvanian | Curzon | Q | |
Fremont | FM-A+ | 326 | 7 | Pennsylvanian | Curzon | + | Q |
Fremont | FM-B | 325 | 7 | Pennsylvanian | Curzon A | C | |
Fremont | FM-B+ | 325 | 7 | Pennsylvanian | Curzon A | + | C |
Grundy | GN-A | 2 | 16 | Mississippian (Lower) | Maynes Creek Cream | O | |
Grundy | GN-A+ | 2 | 16 | Mississippian (Lower) | Maynes Creek Cream | + | O |
Grundy | GN-C+ | 121 | 16 | Mississippian (Lower) | Maynes Creek Cream | + | O |
Grundy | GN-D | 1 | 16 | Mississippian (Lower) | Maynes Creek Fossiliferous | O | |
Grundy | GN-D+ | 1 | 16 | Mississippian (Lower) | Maynes Creek Fossiliferous | + | O |
Grundy | GN-B | 86 | 16 | Mississippian (Lower) | Maynes Creek Gray | O | |
Grundy | GN-B+ | 86 | 16 | Mississippian (Lower) | Maynes Creek Gray | + | O |
Grundy | GN-E1+ | 136 | 16 | Mississippian (Lower) | Maynes Creek Speckled | + | Q |
Grundy | GN-E2+ | 137 | 16 | Mississippian (Lower) | Maynes Creek Speckled | + | Q |