The American journal of science, & c . ID? JoFoIDaiiias ISlecHfical Matteitj-c. Deerjield Disruption* 28P disruption at right angles. The scale is 4 rods to an inch, al-though in laying off the heights and levels, the exact propor-tion was a little varied, to render the irregularities of surfacemore distinct. The letters of reference correspond to thoseon fig. 2, and need no explanation. Fig. 2. is a birds-eye view of the disruption and the ad-joining region, very obligingly sketched by Mr. Deride Barnardof Troy, New-York. The surrounding country is somewhatcontracted to bring more of it into
The American journal of science, & c . ID? JoFoIDaiiias ISlecHfical Matteitj-c. Deerjield Disruption* 28P disruption at right angles. The scale is 4 rods to an inch, al-though in laying off the heights and levels, the exact propor-tion was a little varied, to render the irregularities of surfacemore distinct. The letters of reference correspond to thoseon fig. 2, and need no explanation. Fig. 2. is a birds-eye view of the disruption and the ad-joining region, very obligingly sketched by Mr. Deride Barnardof Troy, New-York. The surrounding country is somewhatcontracted to bring more of it into view. These are all the facts I am able at present to collect con-cerning this phenomenon. I have been particular as to thetemperature of the air, and the situation of the adjacent coun-try, from an idea that frost was a principal agent in producingit; and that, therefore, these circumstances would be impor-tant in fixing a theory. I will not, however, hazard any hy-pothesis on the subject; but if you deem the fact of sufficientimportance, your opinion, Sir, is respectfully
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Keywords: ., bookcentury1800, bookdecade1810, bookidamericanjour, bookyear1818
