Bibliography

Fairfield, Hannah. “The Rock That Gives New Yorks Its Face.” 24 Sep. 2000 in City Lore. The New York Times, 2000. 1-2

Exline, Joseph D. ”Earth’s Changing Surface. “ 20 by Prentice-Hall, Inc., Upper Saddle River, New Jersey 07458.” (ND)

Brock, Pamela Chase; Brock, Patrick W.G. “Table 1-Simplified Geologic History of the New York City Area.” 27 Oct. 2001.

http://pbisotopes.ess.sunysb.edu/reports/NYCity/History-table-3.htm

Vogel, Carole Garbuny. ”Inside Earth.” 2000 by Prentice-Hall, Inc., Upper Saddle River, New Jersey 07458-118-120