6 ILLUSTRATIONS. 
Page. 
Plate VIII. ,4, Heading, High Isle quarry; B, Diabase dike crossing sheets, 
Allen quarry, Mount Desert 44 
IX. A, Granite and schist contact, Waldoboro quarry; B, Headings, 
Longfellow quarry, Hallo well 46 
X. A, Sheet and joint structure, Pleasant River, black-granite 
quarry, Addison; B, Pegmatite dike in black granite, Round 
Pond quarry 60 
XL Round Pond quarry: A, Dikes in black granite; B, Sheet structure 
and schist contact 62 
XII. A, Webster quarry, Vinalhaven; B, Paving-block quarry, Vinal- 
haven 68 
XIII. A, Carving in coarse granite from Sands quarry, Vinalhaven ; />, 
Columns and lathe, Palmer quarry, Vinalhaven 70 
XIV. A, B, Carvings from Stinchfield quarry granite, Hallowell 72 
Fig. 1. Rift structure in thin section, Weskeag quarry 28 
2. "Sap" in thin section, High Isle 53 
3. Methods of using explosives 70 
4. Structure at Grant quarry, Brunswick 77 
5. Structure at Freeport quarry, Brunswick 78 
6. Structure at North Jay quarry, Brunswick 82 
7. Structure at White quarry, Bluehill 84 
8. Structure at Brown quarry, Dedham 90 
9. Structure at Robertson & Havey quarry, Franklin 91 
10. Structure at Bragdon, Fernald & Gordon quarry, Franklin 92 
11. Structure at T. M. Blaisdell quarry, East Franklin 93 
12. Structure at W. B. Blaisdell quarry, Franklin 94 
13. Structure at McMullen quarry, Mount Desert Island 98 
14. Structure at Campbell & Macomber quarry, Mount Desert Island 99 
15. Map of Stonington quarries . .• 1 02 
16. Structure at Ryan-Parker quarry, Crotch Island 103 
17. Structure at Goss quarry, Crotch Island 104 
18. Structure at Sherwood quarry, Crotch Island 105 
19. Structure at Settlement quarry, Crotch Island 108 
20. Structure at Stinchfield and Longfellow quarries, Hallowell 118 
21. Structure at Tayntor quarry, Hallowell 121 
22. Structure at High Isle quarry, Knox County 123 
23. Structure at Sprucehead quarry, St. George 125 
24. Structure at Long Cove quarry, Tenants Harbor 128 
25. Map of the Fox Islands quarries 1 30 
26. Structure at Sands quarry, Vinalhaven 131 
27. Structure at Hurricane Island quarry 138 
28. Structure at Round Pond quarry, Bristol 140 
29. Schist inclusions at southwest end of Waldoboro quarry 142 
30. General structure at Waldoboro quarry 143 
31 . Structure at Eagle Gray quarry, Fryeburg 145 
32. Flow structure at Dodlin quarry, Norridgewouk 150 
33. General structure at Dodlin quarry, Norridgewock 151 
34. Structure at Mosquito Mountain quarry, Frankfort 153 
35. Structure at Mount Waldo quarry, Frankfort 155 
36. Structure at Beaver Lake quarry, Calais 164 
37. Structure at Bod well quarry, Jonesboro 169 
38. Structure at Gowen Emmons quarry, Biddeford 177 
39. Structure at Ross quarry, Kennebunkport 182 
