|   | 
Locality | 
Layer | 
 
 | 
Arkona, 0.75 mls NE of | 
Arkona Shale | 
 
 | 
Arkona, 2.5 mls E of | 
Widder Shale | 
 
 | 
Arkona, Rock Glen, 1,23 mls. NE of | 
Arkona Shale | 
 
 | 
Arkona, Rock Glen, 1.25 mls NE of | 
Widder Shale | 
 
 | 
Long Rapids, Abitibi River | 
Abitibi River Lst. | 
 
 | 
Thedford | 
Arkona Shale | 
 
 | 
Thedford, Hill No.4, 6 mls NW of | 
Widder Shale | 
 
 | 
Thedford, Kings Highway 21 intersection | 
Widder Shale | 
 
 | 
Thedford, Kings Highway 82, 1 mile E of | 
Widder Shale | 
 
 | 
Tyleyard, 0.5 mls N of Thedford | 
Arkona Shale | 
 
 | 
Tyleyard, 1.5 mls N of Thedford | 
Arkona Shale |