Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Buckeye School (historical) | School | 198 | Hancock | 40 14 57 N | 091 17 43 W |
| South Fork Bear Creek | Stream | | Adams | 40 10 09 N | 091 17 43 W |
| Jug Lake | Reservoir | 218 | Adams | 40 00 48 N | 091 17 43 W |
| Jug Lake Dam | Dam | 218 | Adams | 40 00 48 N | 091 17 43 W |
| Orange School (historical) | School | 202 | Hancock | 40 17 11 N | 091 17 42 W |
| WCAZ-FM (Carthage) | Tower | 201 | Hancock | 40 16 45 N | 091 17 42 W |
| Buckeye Cemetery | Cemetery | 197 | Hancock | 40 14 57 N | 091 17 42 W |
| Elderville | Populated Place | 204 | Hancock | 40 19 49 N | 091 17 41 W |
| Township of Mendon | Civil | 222 | Adams | 40 05 19 N | 091 17 41 W |
| Eagle Slough School (historical) | School | 140 | Pike | 39 44 43 N | 091 17 39 W |
| Cliola Post Office (historical) | Post Office | 219 | Adams | 39 59 42 N | 091 17 38 W |
| Center School (historical) | School | 211 | Adams | 39 49 09 N | 091 17 35 W |
| Fourmile Island | Island | 141 | Pike | 39 40 42 N | 091 17 34 W |
| Sineles Sunset Strip | Airport | 208 | Hancock | 40 34 46 N | 091 17 31 W |
| Unity High School | School | 225 | Adams | 40 05 19 N | 091 17 27 W |
| Thompson Cemetery | Cemetery | 190 | Adams | 39 46 39 N | 091 17 26 W |
| Niota Post Office | Post Office | 159 | Hancock | 40 37 03 N | 091 17 20 W |
| Niota | Populated Place | 159 | Hancock | 40 37 03 N | 091 17 17 W |
| Green Hill School (historical) | School | 194 | Hancock | 40 13 05 N | 091 17 17 W |
| Whiteoak School (historical) | School | 191 | Adams | 39 53 23 N | 091 17 16 W |
| Appanoose Post Office (historical) | Post Office | 210 | Hancock | 40 35 43 N | 091 17 13 W |
| Breckenridge | Populated Place | 201 | Hancock | 40 14 37 N | 091 17 12 W |
| Mendon Elementary School | School | 228 | Adams | 40 05 07 N | 091 17 06 W |
| Fall Creek Chapel Cemetery | Cemetery | 185 | Adams | 39 47 41 N | 091 17 06 W |
| Eagle Slough | Stream | | Pike | 39 43 47 N | 091 17 04 W |
| Fall Creek School (historical) | School | 178 | Adams | 39 47 25 N | 091 17 04 W |
| Little Mill Creek | Stream | | Adams | 39 56 10 N | 091 17 04 W |
| Mendon | Populated Place | 232 | Adams | 40 05 18 N | 091 17 02 W |
| Saint Edward Church | Church | 232 | Adams | 40 05 12 N | 091 17 02 W |
| WZLZ-FM (Quincy) | Tower | 208 | Adams | 39 57 58 N | 091 17 02 W |
| Cramm Landing Area | Airport | 226 | Adams | 40 06 00 N | 091 17 01 W |
| First Congregational Church | Church | 234 | Adams | 40 05 23 N | 091 17 01 W |
| Hibner School (historical) | School | 210 | Adams | 39 50 44 N | 091 16 53 W |
| Little Creek | Stream | | Hancock | 40 10 52 N | 091 16 51 W |
| Prairie School (historical) | School | 201 | Hancock | 40 19 46 N | 091 16 50 W |
| Rogers Lake (historical) | Lake | 140 | Adams | 39 45 30 N | 091 16 50 W |
| Appanoose Cemetery | Cemetery | 209 | Hancock | 40 36 13 N | 091 16 48 W |
| Mill Creek Quarry | Mine | 160 | Adams | 39 55 25 N | 091 16 47 W |
| Brick School (historical) | School | 198 | Adams | 40 07 02 N | 091 16 46 W |
| Mayer Pond | Reservoir | 156 | Adams | 39 46 06 N | 091 16 37 W |
| Mayer Pond Dam | Dam | 156 | Adams | 39 46 06 N | 091 16 37 W |
| Union School (historical) | School | 197 | Adams | 39 55 10 N | 091 16 29 W |
| Sinele Strip | Airport | 212 | Hancock | 40 32 47 N | 091 16 28 W |
| Froggy School (historical) | School | 202 | Hancock | 40 21 30 N | 091 16 25 W |
| Mud Creek | Stream | | Adams | 40 11 12 N | 091 16 23 W |
| Appanoose Church | Church | 213 | Hancock | 40 35 44 N | 091 16 22 W |
| Hyndman School (historical) | School | 202 | Hancock | 40 25 04 N | 091 16 22 W |
| Eureka School (historical) | School | 209 | Hancock | 40 26 49 N | 091 16 18 W |
| Elm Grove School (historical) | School | 223 | Adams | 40 02 28 N | 091 16 18 W |
| Panther Creek | Stream | | Hancock | 40 12 31 N | 091 16 15 W |
| Larry School (historical) | School | 211 | Hancock | 40 28 33 N | 091 16 14 W |
| Christy School (historical) | School | 208 | Hancock | 40 30 25 N | 091 16 13 W |
| Adams County Fairground | Park | 238 | Adams | 40 03 13 N | 091 16 11 W |
| Mound School (historical) | School | 211 | Hancock | 40 33 55 N | 091 16 08 W |
| Powellton | Populated Place | 211 | Hancock | 40 32 09 N | 091 16 08 W |
| Thornber Cemetery | Cemetery | 208 | Hancock | 40 31 36 N | 091 16 06 W |
| Crescent School (historical) | School | 211 | Hancock | 40 35 44 N | 091 16 03 W |
| Spencer | Populated Place | 141 | Pike | 39 42 39 N | 091 15 58 W |
| Running Slough School (historical) | School | 139 | Pike | 39 41 55 N | 091 15 57 W |
| Lock and Dam Number Nineteen | Dam | 204 | Hancock | 40 23 51 N | 091 15 54 W |
| Dunn Cemetery | Cemetery | 201 | Adams | 39 47 27 N | 091 15 54 W |
| Pigeon Creek | Stream | | Pike | 39 42 42 N | 091 15 51 W |
| Moyer Cemetery | Cemetery | 228 | Adams | 40 01 43 N | 091 15 46 W |
| Possum Hollow | Valley | | Adams | 39 45 38 N | 091 15 43 W |
| Seehorn | Populated Place | 145 | Pike | 39 45 19 N | 091 15 41 W |
| Saverton Island | Island | 141 | Pike | 39 39 17 N | 091 15 40 W |
| Prairie School (historical) | School | 207 | Adams | 40 07 37 N | 091 15 38 W |
| Evergreen Cemetery | Cemetery | 217 | Adams | 39 59 54 N | 091 15 35 W |
| Fowler Post Office | Post Office | 222 | Adams | 40 00 25 N | 091 15 33 W |
| Stahl Cemetery | Cemetery | 224 | Adams | 40 00 55 N | 091 15 32 W |
| Pryor School (historical) | School | 189 | Adams | 40 10 06 N | 091 15 31 W |
| Fowler | Populated Place | 223 | Adams | 40 00 28 N | 091 15 31 W |
| Newmaw Family Cemetery | Cemetery | 185 | Adams | 39 45 27 N | 091 15 29 W |
| Sylvandale School (historical) | School | 200 | Hancock | 40 18 25 N | 091 15 25 W |
| Running Slough | Stream | | Pike | 39 44 50 N | 091 15 25 W |
| McGee Cemetery | Cemetery | 191 | Hancock | 40 20 17 N | 091 15 21 W |
| Old Smith School (historical) | School | 140 | Pike | 39 39 20 N | 091 15 04 W |
| Seymour High School | School | 220 | Adams | 39 49 00 N | 091 15 01 W |
| Elvaston | Populated Place | 201 | Hancock | 40 23 42 N | 091 14 59 W |
| Burton | Populated Place | 200 | Adams | 39 54 17 N | 091 14 57 W |
| Elvaston Cemetery | Cemetery | 201 | Hancock | 40 23 27 N | 091 14 56 W |
| Cook Cemetery | Cemetery | 183 | Hancock | 40 16 50 N | 091 14 56 W |
| Laugh Cemetery | Cemetery | 222 | Adams | 40 03 04 N | 091 14 56 W |
| Burton Cave Nature Preserve | Park | 208 | Adams | 39 53 06 N | 091 14 55 W |
| Seymour Elementary School | School | 226 | Adams | 39 49 06 N | 091 14 54 W |
| Fruit Land Post Office (historical) | Post Office | 212 | Hancock | 40 36 19 N | 091 14 53 W |
| Oakwood School (historical) | School | 229 | Adams | 40 02 24 N | 091 14 51 W |
| Payson New Cemetery | Cemetery | 226 | Adams | 39 48 39 N | 091 14 49 W |
| Tull School (historical) | School | 210 | Hancock | 40 36 33 N | 091 14 47 W |
| Green Grove School (historical) | School | 194 | Hancock | 40 11 51 N | 091 14 44 W |
| Payson Old Cemetery | Cemetery | 222 | Adams | 39 48 56 N | 091 14 44 W |
| Lock and Dam Number 22 | Dam | 137 | Pike | 39 38 20 N | 091 14 40 W |
| Tournear Creek | Stream | | Adams | 39 54 14 N | 091 14 38 W |
| Rocky Hill School (historical) | School | 207 | Adams | 40 05 13 N | 091 14 36 W |
| Burton Cemetery | Cemetery | 206 | Adams | 39 53 59 N | 091 14 36 W |
| Clair Landing Strip | Airport | 198 | Hancock | 40 12 20 N | 091 14 35 W |
| Webster School (historical) | School | 193 | Hancock | 40 13 18 N | 091 14 35 W |
| Smith School (historical) | School | 140 | Pike | 39 38 58 N | 091 14 35 W |
| Slater Creek | Stream | | Hancock | 40 17 29 N | 091 14 34 W |
| Payson | Populated Place | 232 | Adams | 39 49 01 N | 091 14 33 W |
| Pigeon Creek Settling Basin | Basin | 142 | Pike | 39 43 29 N | 091 14 33 W |
| Tull Cemetery | Cemetery | 204 | Hancock | 40 36 59 N | 091 14 30 W |
| Little Bear Creek | Stream | | Hancock | 40 18 45 N | 091 14 29 W |
| Sodom School (historical) | School | 211 | Adams | 39 46 45 N | 091 14 29 W |
| Payson Congregational Church | Church | 232 | Adams | 39 49 02 N | 091 14 28 W |
| Webster Cemetery | Cemetery | 195 | Hancock | 40 13 20 N | 091 14 27 W |
| The Ridge | Island | 158 | Hancock | 40 37 52 N | 091 14 25 W |
| Lakeshore Hills Lake | Reservoir | 205 | Adams | 39 57 30 N | 091 14 25 W |
| Lakeshore Hills Lake Dam | Dam | 205 | Adams | 39 57 30 N | 091 14 25 W |
| Bean Family Cemetery | Cemetery | 194 | Hancock | 40 12 21 N | 091 14 20 W |