132 THE GRANITES OF MAINE. 
"cut-off" is N. 10° E. Blocks 65 and L20 feel Long have beeij 
obtained by splitting along the rift. The thickness and curvature oi 
the sheets, the intersecting joint face, and the channeling along tli€ 
" cut-off " are shown in PI. VI, A. Dikes of grayish aplite, described 
in detail on page 43, measure from 1 to 7 inches in thickness. Then 
are occasional dark-gray knots (see p. 49 for description) of more bio- 
titic granite, measuring up to 2 feet in length and 4 inches in width 
and some of spheroidal form, Avitli a diameter of 2| feet. Sap is -1 
inches wide on either side of joints A, B, I), and also along the sheet 
surfaces, but is there less marked. The unhewn weathered surfaq 
about the quarry passes into a granite sand, with little or no staining 
by iiinonite. 
The plant consists of :> derricks, operated by 3 engines. 2 surfac* 
traveling cranes (of 20 and 10 tons capacity), 2 [ngersoll & >>'<\v^(n\i 
steam-driven compressors (each of 850 cubic feet per minute capac- 
ity), 4 large pneumatic drills. 8 pneumatic plug drills, 1 channeler, £ 
surfacers, 6 polishers, 2 granite Lathes (one for 30-fool columns. 5 feet 
in diameter, the other for small columns and balusters), 6 polishing 
lathes. 35 pneumatic hand tools, and several steam pumps. 
Transportation is effected by railroad 500 feet long to wharf, which 
admits schooners of 200 to s <>n gross tons capacity. 
The product is used for dock-, bridges, piers, buildings', and monu- 
ments. The thin sheets and much of the waste are made into pavinj 
blocks L2 by I by 7 to 8 inches. PL Kill, .1, shows how the granite 
of this quarry lends itself to coarse sculpture. The principal market: 
are New York. Philadelphia, and Washington. Specimen structure 
made exclusively of Sands quarry granite: New post-office, Washing. 
ton, I). C.; Masonic Temple. Philadelphia; savings bank, "Wilming 
ton, Del.; new board of trade building. Chicago; new post-office air 
custom-house, Brooklyn, X. Y.: Manhattan Bank, New York; Gen' 
era! Wool monument. Troy, X. Y. The Sands quarry and the Palme 
quarry together furnished all the stone for the new custom-house ii 
New "i ork. 
In 1905 the following contracts were undertaken: The Altmai 
Building, Thirty-fourth street and Fifth avenue, and the West Stre<4 
office building, West, Cedar, and Albany streets, in New York, an 
some docks in the same city. 
The Palmer or Wharff quarry, in the town of Vinalhaven, we ' 
side, opposite Leadbetter Island. (See map. tig. 25.) Operator, Bo«. 
well Granite Company, Rockland, Me. 
The granite (specimen 2, o ) is a biotite granite of general pinkis i 
buff medium-gray color and of coarse texture, the feldspars measir 
ing up to three-fourths inch and the biotite scales up to two-tent i 
inch. It is identical with that of the Sands quarry (see p. 12£ J 1 
