. The Crystal Falls iron-bearing district of Michigan. Iron ores; Geology; Geology, Stratigraphic; Geology, Stratigraphic. PREVIOUS WORK. 15 This rock is conii)<)se(l of iniwi, ((uartz, and feldspar. Its lainiita' are uudiilatiiig or waved, but its cleavages, on a large scale, are even and regular Those luica-slates are best (levelo])ed on the south bouiidaiy of township 4L! N., ranges 31 and 32 W., in the beds and banks of the Peshakunime and Mesqua-cum-a-. XXX III XXXII XXXI XXX XXIX x'Xvul Scale of miles 5 Fig. 1.—Reproduction of a portion of tbe geological map of the Upper Peninsnla of
. The Crystal Falls iron-bearing district of Michigan. Iron ores; Geology; Geology, Stratigraphic; Geology, Stratigraphic. PREVIOUS WORK. 15 This rock is conii)<)se(l of iniwi, ((uartz, and feldspar. Its lainiita' are uudiilatiiig or waved, but its cleavages, on a large scale, are even and regular Those luica-slates are best (levelo])ed on the south bouiidaiy of township 4L! N., ranges 31 and 32 W., in the beds and banks of the Peshakunime and Mesqua-cum-a-. XXX III XXXII XXXI XXX XXIX x'Xvul Scale of miles 5 Fig. 1.—Reproduction of a portion of tbe geological map of the Upper Peninsnla of Michigan hy Wnj. A. Burt, 1846. cum-sepe, and at the falls near the junction of the latter stream with the Brula River. [These, according to our observations, are the most altered phases of the Upper Huronian.] That part of the geological map accompanying the above report which corresponds to the Crystal Falls district is reproduced iu fig. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Clements, Julius Morgan, 1869-; Smyth, Henry Lloyd, 1862-; Bayley, William Shirley, 1861-1943. Washington, : Govt. Print. Off.
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishe, booksubjectgeology