Kathleen Lohff Anne Arundel Community College

Father Francis Cabot Lowell founded the Lowell Mill and Boston Manufacturing Company. Lowell family responsible for helping to bring the Industrial Revolution to America

Upheaval and Subsidence

Denudation of older stratified rock (remain horizontal and undisturbed): Nos inclusive Beds slowly raised—cliffs form at successive heights: No 10 and 8 Entire region submerged Country buried under sand, gravel, and erratic blocks Re-emergence slow and gradual—ridges and terraces are interruptions Falls originate at Queenstown—uppermost limestone and shale exposed: No 7 and 8

Courtesy Library of Congress c. 1845

Fossil Foot Print

Mineralogy and Geology, Plate 46

TRILOBITE CALYMENE PLATYS SEROLIS SEPTEMCARINATA Courtesy of National Museum of Natural History—image collection Courtesy of Smithsonian Institution-- Department of Paleobiology

JAMES HALL ( ) EBENEZER EMMONS ( )

The Recession of Niagara Falls

VAL DI NOTO, ITALY PRINCIPLES OF GEOLOGY VOLUME III NIAGARA COURTESY OF LIBRARY OF CONGRESS C.1900

Geology of New York (1843), Plate VI By James Hall Organic Remains of the Clinton Group

Travels in America

Boulders and Icebergs

Studies on Glaciers preceded by the Discourse of Neuchâtel

Charles Darwin’s Copy of Principles of Geology