112 NEW YORK STATE MUSEUM 



C. H. Smyth, jr. Report on the Crystalline Rocks of the Western Adirondack 

 Region. N. Y. State Mus. Ann. Rep't 51 (for 1897), 2:469-97 



J. F. Kemp & R. Ruedemann. Geology of the Elizabethtown and Port Henry 

 Quadrangles. N. Y. State Mus. Bui. 138, 19 10. 40c 



J. F. Kemp. Geology of the Mt Marcy Quadrangle. N. Y. State Mus. Bui. 

 In preparation 



William J. Miller. Geology of the Lake Placid Quadrangle. N. Y. State 

 Mus. Bui. In press 



• — ■ — ■ Geology of the North Creek Quadrangle. N. Y. State Mus. Bui. 



170, 1914. 25c 



— ■ Geological History of New York State. N. Y. State Mus. Bui. 



168, 1913. 40c 



— ■ ■— Geology of the Blue Mountain Quadrangle. N. Y. State Mus. Bui. 



192, 1916. 25c 



— ■ The Adirondack Mountains. N. Y. State Mus. Bui. 193. 35c 



I. H. Ogilvie. Geology of the Paradox Lake Quadrangle. N. Y. State Mus. 

 Bui. 96, 1905. 30c 



J. C. Martin. The Pre-Cambrian Rocks of the Canton Quadrangle. N. Y. 

 State Mus. Bui. 185,1916. 30c 



C. H. Van Hise & C. K. Leitii. Pre-Cambrian Geology of North America. 

 U. S. Geol. Surv. Bui. 360, 19:9. Chapter X, especially p. 619-21 



Introduction 



The Adirondacks have long been famous as a summer resort, 

 attracting the inhabitants of our eastern cities and the nature lovers 

 who found rest and recreation among the wooded mountain slopes, 

 the brooks and numerous lakes and ponds of the region. 



The attempt is here made to add to the usual summer pleasures 

 the enjoyment of understanding and interpreting the various surface 

 features of the topography, to trace step by step the history of the 

 Adirondacks from the earliest times to the present day, and especially 

 the geological history of Lake Clear and its immediate vicinity. 



Location and Character 



Lake Clear, the one here considered (for unfortunately there are 

 a number of lakes in the Adirondacks that are known by the same 

 name), is situated in the heart of the mountains, if the entire district 

 covered by the great north woods is included, and is reached by the 

 Adirondack division of the New York Central Railroad. The area 

 is one of moderate altitude and comparatively little relief, consisting 

 of a great sandy plain surrounding innumerable rocky knobs and 

 knolls. In depressions in its surface are a large number of lakes, 

 ponds and swamps, among which is Lake Clear. 



The lake is roughly oval in shape, the longer axis having a north- 



