| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Moscow Quarry (Wendling Quarry), Moscow, Muscatine County, Iowa, USA | 41° 34' 30" N | 91° 6' 46" W | 19.3km (12.0 miles) | |
| Hahn's gravel pit, Muscatine, Muscatine County, Iowa, USA | 41° 23' 5" N | 91° 5' 12" W | 21.3km (13.2 miles) | |
| Moscow, Muscatine County, Iowa, USA | 41° 34' 32" N | 91° 4' 55" W | 21.5km (13.4 miles) | |
| Acme gravel pit, Muscatine, Muscatine County, Iowa, USA | 41° 21' 58" N | 91° 4' 49" W | 22.8km (14.2 miles) | |
| Muscatine, Muscatine County, Iowa, USA | 41° 25' 28" N | 91° 2' 35" W | 22.9km (14.2 miles) | |
| Columbus Junction, Louisa County, Iowa, USA | 41° 16' 43" N | 91° 21' 35" W | 22.9km (14.3 miles) | |
| Conklin Quarry, Coralville, Johnson County, Iowa, USA | 41° 41' 45" N | 91° 33' 36" W | 31.8km (19.8 miles) | |
| Coralville, Johnson County, Iowa, USA | 41° 40' 56" N | 91° 35' 45" W | 32.8km (20.4 miles) | |
| Klein Quarry, Coralville, Johnson County, Iowa, USA | 41° 41' 2" N | 91° 37' 22" W | 34.6km (21.5 miles) | |
| Montpelier, Muscatine County, Iowa, USA | 41° 27' 33" N | 90° 48' 25" W | 41.8km (26.0 miles) | |
| West Chester limestone quarry, Washington County, Iowa, USA | 41° 22' 41" N | 91° 48' 47" W | 43.7km (27.1 miles) | |
| Limestone Prospect (MRDS - 10264463), Mercer County, Illinois, USA | 41° 9' 15" N | 90° 58' 59" W | 45.3km (28.2 miles) | |
| Buffalo, Scott County, Iowa, USA | 41° 27' 20" N | 90° 43' 15" W | 49.0km (30.4 miles) | |
| Ely, Linn County, Iowa, USA | 41° 52' 25" N | 91° 35' 6" W | 49.4km (30.7 miles) | |
| LaFarge Quarry (Buffalo Quarry), Buffalo, Scott County, Iowa, USA | 41° 27' 44" N | 90° 42' 5" W | 50.5km (31.4 miles) | |
| Cedar Rapids (Martin Marietta) quarry, Linn County, Iowa, USA | 41° 54' 48" N | 91° 31' 20" W | 51.3km (31.9 miles) | |
| Linwood Mine, Buffalo, Scott County, Iowa, USA | 41° 27' 55" N | 90° 41' 4" W | 51.9km (32.3 miles) | |
| Marion (Iowa) meteorite, Linn County, Iowa, USA | 41° 53' 59" N | 91° 35' 59" W | 52.5km (32.6 miles) | |
| Mediapolis (Mediopolis), Des Moines County, Iowa, USA | 41° 0' 29" N | 91° 9' 50" W | 54.0km (33.5 miles) | |
| Mercer County Pit, Mercer County, Illinois, USA | 41° 12' 6" N | 90° 45' 0" W | 56.0km (34.8 miles) | |
| U.S. Gypsum Mine, Mediapolis (Mediopolis), Des Moines County, Iowa, USA | 40° 59' 2" N | 91° 11' 26" W | 56.1km (34.9 miles) | |
| Four County quarry, Johnson County, Iowa, USA | 41° 51' 33" N | 91° 46' 59" W | 57.7km (35.9 miles) | |
| Massillon, Cedar County, Iowa, USA | 41° 54' 53" N | 90° 55' 21" W | 57.8km (35.9 miles) | |
| Homestead meteorite, Iowa County, Iowa, USA | 41° 47' 59" N | 91° 52' 0" W | 58.4km (36.3 miles) | |
| Sperry, Des Moines County, Iowa, USA | 40° 57' 25" N | 91° 9' 23" W | 59.6km (37.1 miles) | |
| Mount Pleasant, Henry County, Iowa, USA | 40° 57' 49" N | 91° 33' 27" W | 61.2km (38.0 miles) | |
| Rock Island City Engineering., Rock Island County, Illinois, USA | 41° 29' 30" N | 90° 33' 53" W | 61.9km (38.4 miles) | |
| U. S. Army Engineers, Rock Island County, Illinois, USA | 41° 29' 30" N | 90° 33' 53" W | 61.9km (38.4 miles) | |
| Milan Quarry; Inc. (Milan Stone Quarry), Rock Island County, Illinois, USA | 41° 26' 12" N | 90° 33' 45" W | 62.3km (38.7 miles) | |
| Allied Stone Plant No. 30 (Allied Stone Quarry & Mill), Rock Island County, Illinois, USA | 41° 27' 33" N | 90° 33' 33" W | 62.4km (38.8 miles) | |
