SCIENTIFIC SURVEY. 3Q9 



III. Geology of the Eastern Schoodic Region. 



Immediately after leaving Chepedneck lake dam we travelled 

 over Chepedneck, Grand and North lakes, which belong to the 

 general appellation of Eastern Schoodic lakes, and form a part of 

 the boundary between Maine and New Brunswick. But the lakes 

 when taken separately are not named Schoodic, as will be seen 

 upon the map. The lower one is Chepedneck and the upper (of 

 the two large ones) is called Grand lake. These are the names by 

 which the neighboring settlers know them. 



Near Chepedneck dam we picked up a boulder of beautiful red 

 jasper which must have been derived from some ledge in Northern 

 Maine. We did not find a single ledge upon the whole western 

 shore of Chepedneck lake, and had not time to examine the British 

 shore. In this respect this I'ake is like Grand lake of the western 

 Schoodic region. We suppose the greater part of the western 

 shore of Chepedneck lake is occupied by granite. Immense boul- 

 ders of this rock strew the shores every where and render the soil 

 barren. A remarkable feature in the form of this lake is that the 

 large coves on the British side are to the eye much larger than the 

 principal lake, which bends greatly to the west. One who has not 

 been informed of this feature, when travelling up this lake will 

 surely wander out of his way two or three times. The scenery is 

 very fine here. We were much troubled by heavy storms and head 

 winds while upon this lake. There are one or two houses at the 

 south end of the American side, aiid far in the distance on the 

 British shore a few clearings may be seen. 



From Chepedneck we carried across to Mud lake, about ninety 

 rods distance. This was much easier than to have followed up the 

 thoroughfare. At the outlet of Mud lake the water falls over ledges 

 of porphyritic granite very beautifully. There are no other ledges 

 on Mud lake which is about two miles long. Passing through a 

 thoroughfare of about a mile's length we are ushered into Grand 

 lake, where we were permitted to see evidences of civilization 

 again, in the distance. After a rather hasty examination of the 

 lake we found no ledges upon it except some bold bluffs of white 

 granite on the west shore, in the south-east part of Weston. There 

 is a horseback upon the west shore of the lake in the south-east 

 part of the town. The prevailing rock in Weston is mica schist, 

 with some large masses of quartz rock. At the north end of Grand 

 lake is the termination of the great horseback running up beyond 



