58 E. B. Andrews— Parallelism of Coal-seams. 
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this: That all the subsequently formed seams of coal would be 
formed under the conditions of No. 2, and not after the manner 
of No. 1, whose conditions are entirely exceptional. The low- 
est seam of coal inJackson County, in my distriet is similarly 
uneven; but the next seam above—the Anthony seam—is per- 
thority of names, is one often used, but it has no place in sei- 
ence. I could adduce many and great names in favor of 
my theory of general parallelism. Of course, I do not claim 
parallelism in any absolute or mathematical sense, for no mars! 
would constitute a perfectly even plane; and in the subsequent 
compression of the sediments between seams of coal, the oozy 
mud in one place would be more compressed than the sands of 
