328 
GEOLOGY OF THE FIRST DISTRICT. 
ing the fulfilment of his contract, he would have been enabled to clear twenty thousand dol¬ 
lars more on his contract than he would now be able to do.* This quarry is in one of the 
upper beds of the Helderberg limestone series, viz. the rock that in Schoharie county is burnt 
for lime, and that contains the several species of the Cyrtoceras (the Onondaga limestone). The 
strata dip about one foot in forty or fifty to the southwest. 
Lime and Hydraulic cement. 
Quicklime is made from particular beds of every part of the Helderberg series. It is not 
made in such quantities as to deserve particular notice, except in Albany, Schoharie and 
Ulster counties. In Schoharie county, it is supposed that about twenty thousand bushels are 
made annually for manure, building, and for the supply of Delaware county, which it is be¬ 
lieved has no beds of limestone suitable for burning; and Albany county furnished thirty 
to forty thousand bushels annually to Albany and other markets. 
Between Wilbur and Eddyville are four limekilns for making quicklime, belonging to Mr. 
Hamilton and Mr. Dubois. These kilns are supplied with limestone from strata that lie 
between strata of cement rock. They are on the bank of the Rondout, and offer every facility 
for easy transport. These and other kilns in Ulster county probably make forty thousand 
bushels per annum. 
The beds of limestone that yield hydraulic cement are extensively worked in the vicinity 
of Kingston, Rosendale, Lawrenceville and Highfalls. The following is a list of the prin¬ 
cipal kilns : 
Lawrence & Austin. 
Benjamin & Co. 
Taylor & Little. 
Thaddeus Phelps. 
McNulty & Chapman... 
Whiting & Weeks. 
Dusenbury. 
White & Co. 
Flint .. 
Lawrence & Co. 
O’Neil. 
Isaac Hasbrouck. 
Thomas D. Robinson.... 
2 kilns between Kingston landing and Eddyville. 
2 “ and steam mill for grinding. 
2 “ between Kingston landing and Eddyville. 
3 « « « « 
2 “ “ « “ 
2 « « « « 
1 “ at Eddyville. 
15 “ between Kingston and Rosendale. 
2 • “ at Bridgeport, near Rosendale. 
3 “ one and a half miles north of Bridgeport. 
13 “ at Lawrenceville, near Rosendale. 
2 “ on Coxen-clove creek, southwest of Rosendale. 
2 “ on Rondout about Lawrenceville. 
4 “ High falls of Rondout. 
2 “ one-fourth mile above Highfalls. 
3 “ four or five miles above Highfalls. 
Total number. 60 
® It is customary to pay no regard to the original bedding of the stone, when laying it up in buildings and other structures; but 
where it is to sustain a great pressure, this is a highly important consideration. I have often seen columns for buildings and store 
