Plate Y. 
Fig. 1. — Tilted strata on uptlirow side of reversed fault, 
South Pine Fiver. 
Fig. 2. — Steeply dipping low-grade oil shales outcropping 
on bank of South Pine River. 
Fig. 3. — Xeill’s Oil Shale Shaft, 1^ miles Avest of Stratli- 
pine railway station. 
