| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Durham Quarry, Washington County, Oregon, USA | 45° 23' 57" N | 122° 45' 8" W | 0.0km (0.0 miles) | |
| Oswego Iron Mine (Oswego Iron Company; Oswego Iron Mine Prosser Mine; Oregon Iron Company), Clackamas County, Oregon, USA | 45° 25' 4" N | 122° 41' 26" W | 5.2km (3.2 miles) | |
| Grahams Pit (Baker Rock Crushing-Grahams Pit), Washington County, Oregon, USA | 45° 21' 15" N | 122° 46' 50" W | 5.5km (3.4 miles) | |
| Tonquin Quarry (Tigard Sand and Gravel), Washington County, Oregon, USA | 45° 21' 43" N | 122° 48' 7" W | 5.7km (3.5 miles) | |
| Grimms Fuel Company Pit, Clackamas County, Oregon, USA | 45° 24' 35" N | 122° 40' 46" W | 5.8km (3.6 miles) | |
| Compton/Stiller Pit (J. C. Compton Company), Washington County, Oregon, USA | 45° 21' 32" N | 122° 48' 7" W | 6.0km (3.7 miles) | |
| Coffee Lake Pit, Washington County, Oregon, USA | 45° 21' 2" N | 122° 48' 11" W | 6.7km (4.2 miles) | |
| Lake Oswego Pit and Plant, Clackamas County, Oregon, USA | 45° 25' 17" N | 122° 40' 14" W | 6.8km (4.3 miles) | |
| Tonquin Road Quarry (Eaton Sand and Gravel), Washington County, Oregon, USA | 45° 21' 14" N | 122° 48' 45" W | 6.9km (4.3 miles) | |
| Progress Quarry, Washington County, Oregon, USA | 45° 25' 45" N | 122° 49' 54" W | 7.0km (4.4 miles) | |
| Eaton Sand and Gravel, Washington County, Oregon, USA | 45° 21' 11" N | 122° 48' 51" W | 7.1km (4.4 miles) | |
| Tonquin Quarry (Stearns Rock-Tonquin Pit), Washington County, Oregon, USA | 45° 20' 44" N | 122° 48' 15" W | 7.2km (4.5 miles) | |
| Tonquin Quarry (Dales Sand & Gravel), Washington County, Oregon, USA | 45° 20' 35" N | 122° 48' 1" W | 7.3km (4.5 miles) | |
| Town Quarry, Washington County, Oregon, USA | 45° 20' 34" N | 122° 48' 10" W | 7.4km (4.6 miles) | |
| Cornell Pit, Washington County, Oregon, USA | 45° 21' 20" N | 122° 50' 11" W | 8.2km (5.1 miles) | |
| Stearns Rock Quarry, Washington County, Oregon, USA | 45° 21' 20" N | 122° 50' 11" W | 8.2km (5.1 miles) | |
| Stiller Quarry, Washington County, Oregon, USA | 45° 21' 20" N | 122° 50' 11" W | 8.2km (5.1 miles) | |
| O. K. Brickyard, Washington County, Oregon, USA | 45° 21' 56" N | 122° 50' 57" W | 8.4km (5.2 miles) | |
| Murray Road Quarry (Progress Quarries-Murray Road), Washington County, Oregon, USA | 45° 27' 27" N | 122° 49' 40" W | 8.7km (5.4 miles) | |
| Elk Rock Island, Milwaukie, Clackamas County, Oregon, USA | 45° 26' 9" N | 122° 38' 52" W | 9.1km (5.7 miles) | |
| Pynns Rock Quarry (Allen B Pynn), Clackamas County, Oregon, USA | 45° 21' 15" N | 122° 39' 15" W | 9.2km (5.7 miles) | |
| Petes Mountain, Clackamas County, Oregon, USA | 45° 19' 32" N | 122° 41' 25" W | 9.5km (5.9 miles) | |
| Grabhorn Quarry, Washington County, Oregon, USA | 45° 28' 54" N | 122° 47' 59" W | 9.9km (6.1 miles) | |
| Quality Quarry & Plant, Washington County, Oregon, USA | 45° 28' 54" N | 122° 47' 59" W | 9.9km (6.1 miles) | |
| SE Lava Drive, Milwaukie, Clackamas County, Oregon, USA | 45° 26' 50" N | 122° 38' 37" W | 10.0km (6.2 miles) | |
| West Linn, Clackamas County, Oregon, USA | 45° 22' 14" N | 122° 37' 22" W | 10.6km (6.6 miles) | |
| Milwaukie, Clackamas County, Oregon, USA | 45° 26' 47" N | 122° 37' 56" W | 10.7km (6.7 miles) | |
| Nature Conservatory, Clackamas County, Oregon, USA | 45° 21' 42" N | 122° 36' 51" W | 11.6km (7.2 miles) | |
| Beaverton Quarry (Cobb Rock-Beaverton Quarry), Washington County, Oregon, USA | 45° 27' 2" N | 122° 53' 30" W | 12.3km (7.6 miles) | |
| Unnamed Stone Pit (MRDS - 10275157), Washington County, Oregon, USA | 45° 25' 32" N | 122° 54' 25" W | 12.4km (7.7 miles) | |
Elk Rock Island, Milwaukie, Clackamas County, Oregon, USA