ILLUSTRATIONS. 
Page. 
Plate I. Outline map showing general location of oil fields and areas of 
large-scale maps 9 
II. Map of a part of the Pacific coast of Alaska 10 
III. Geologic reconnaissance map of Controller Bay region 12 
IV. Geologic reconnaissance map. Cook Inlet oil field 36 
V. Landward face of Tilted Hills. Chinitna Bay; Enochkin forma- 
tion overlain by Naknek formation 38 
VI. Sketch map of Cold Bay petroleum field 50 
VII. Oil derricks at Cold Bay 52 
Fig. 1 . Sketch map of Cape Yaktag petroleum field 26 
2. Section on Queen Creek, showing structure and coal seams 29 
3. Enochkin formation, capped by Naknek formation. Oil Bay 45 
