. Annals of the New York Academy of Sciences. Science. LOBECK, NEW. YORK CITY. A PHYSIOGRAPHIC CENTER 19 studied at Delaware Water Gap (Fig. 17). At Harrisburg, Pennsylva- nia (Fig. 19), the zig-zag ridges developed on pitching anticlines and synclines are of classic renown, and throughout central Pennsylvania the folded Appalachians provide examples of infinite variety and perfection. This whole belt in Pennsylvania, Maryland, and Virginia is so replete with material for the study of folded mountains that it hardly seems feasible to draw any further examples in particular from it. That por- t
. Annals of the New York Academy of Sciences. Science. LOBECK, NEW. YORK CITY. A PHYSIOGRAPHIC CENTER 19 studied at Delaware Water Gap (Fig. 17). At Harrisburg, Pennsylva- nia (Fig. 19), the zig-zag ridges developed on pitching anticlines and synclines are of classic renown, and throughout central Pennsylvania the folded Appalachians provide examples of infinite variety and perfection. This whole belt in Pennsylvania, Maryland, and Virginia is so replete with material for the study of folded mountains that it hardly seems feasible to draw any further examples in particular from it. That por- tion forming the Wyoming syncline or the anthracite coal basin (Fig. 27) might receive especial mention as well as two or three other coal. hoo/ey Mfn. RENERLANE A, / -1 •*/1--1 ^N/ _i' -v. 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 New York Academy of Sciences. New York, New York Academy of Sciences
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