PRIMARY ROCKS. 
551 
in Saratoga county; but the natural boundaries of thes6 rocks form very irregular, curved, 
and serrated lines, in consequence of the chains of hills-of the Primary rocks stretching to 
the south, and of the valleys between them in which newer rocks enter, like water on an 
irregular line of coast. 
Table continued. 
STATIONS. 
Station B co7itmued. 
To the red house and point of rocks next the old fort on Constitu¬ 
tion island. 
the second rocky point near the second red house. 
the high'ledge beyond on the first point and second red house . 
the Chain battery and battery north of second red house. 
the mountain peak northeast of the second red house. 
the Blast furnace (high furnace) Kemble’s.... 
the Baptist church. 
the Lower target on the sand-bank. 
the rocky point above the Lower target. 
the Broken target rock (sienite cliff). 
the point above the Broken target. 
the second point above the Broken target. 
the end of the dock at Coldspring landing. 
the end of the dock above. 
the peninsular point above (Gluarry point). 
Breakneck point on the shore. 
the point above, on the shore. 
the east point of Polepel’s island. 
the west point of Polepel’s island... 
the point of the Crow’s Nest on the shore. 
the point above the Upper target west shore. 
the Upper target. 
- the conglomerate and pebble beds above Washington’s valley.. 
the point below on the shore. 
the Cadet’s monument. 
the north peak of the hill west of Fort Putnam. 
the second peak of the same hill. 
the northeast summit of the Crow’s Nest. 
the highest peak of the same.. 
the ravine southwest of the same. 
318 50 
314 10 
308 10 
300 00 
308 25 
203 05 
285 00 
2H4 45 
278 10 
276 45 
266 30 
267 10 
264 45 
264 40 
256 08 
253 35 
253 00 
251 2b 
249 35 
248 30 
245 30 
245 00 
236 00 
238 00 
228 43 
175 00 
157 30 
235 00 
218 30 
206 50 
Feet. 
11994 
27281 
Station C. Cadets monument.' 
To Kosciuszko’s monument.. 
Wood’s ditto..*. 
the Highland school landing. 
the point of marsh west of the above. 
the head of the cove between . 
the mouth of the bayou (outlet of the marsh). 
the lowest point of rock on the shore next the fort on Constitu¬ 
tion island. 
the second point of rock near the second red house on Consti¬ 
tution island. 
the third point a little below the Chain battery. 
the Chain battery. 
the target in the sand-bank opposite the dock. 
the point of rocks above the target. 
the broken Target rock (high cliff of sienite)... 
the point above. 
the point in the cove.;. 
the point above (above the Bomb target).. 
the Bomb target in the cove.1. 
the upper or northwest point of Constitution island, reddish 
coarse granite rock. 
000 00 
19 12 
331 25 
330 30 
327 50 
323 00 
326 10 
327 00 
325 35 
321 00 
313 35 
313 00 
301 .50 
292 00 
387 00 
271 00 
281 00 
275 00 
