NEW YORK SKYLINE owes everything to geology. The financial district and Midtown support towering buildings because bedrock is no more than 38 to 80 feet below the surface. In Greenwich Village, however, it is about 260 feet down. Image: GUIDO ALBERTO ROSSI The Image Bank
Continents collided--northwestern Africa crashed
and ground against North America--and mountains as tall as the Alps rose in New England. Wind and rain beat at the peaks and wore them down, and
This article was originally published with the title Seeing the Earth for Its Faults.