Page 62 - i1052-5173-27-7

Plan a Bicycle Tour with Free GSA Field Guides

Boulder Creek: A stream
ecosystem in an urban landscape
2008, v. 10, p. 217–233

Bicycle tour of the geology The Minneapolis Chain of Lakes
and hydrology of Philadelphia by bicycle: Glacial history, human
2006, v. 8, p. 229–237 modifications, and paleolimnology
of an urban natural environment
It’s summer and there’s no better time to pull out 2011, v. 24, p. 425–437
your bike, strap on your helmet, and head off on a
tour of urban geology.The following field guides
lead the way to the geologic and cultural points of
interest of three great American cities: Philadelphia,
Pennsylvania; Boulder, Colorado; and Minneapolis,
Minnesota. Peddle on with free digital access now
through the end of July.

Choose your next adventure at www.gsapubs.org.

62 GSA Today | July 2017