See our GIS map of Mahon Creek study site

Our team of researchers includes science, environmental and cultural
advisors, as well as university and high school students.
Sampling Mahon Creek Waters in February 2000.
The creek has long been channelized through the city.
Claudia Sun won First Prize at Redwood High School's science fair this
spring for her work on this creek.
Finding the headwaters of the creek was one of our goals.
Getting all our sampling equipment ready...
Janice Gilligan lays a transect line in order to count invasive plant
species.
Steve Hernandez collects water samples for later analysis.

NEER coordinators: a collaboration of the Bay Institute, Sonoma State
University, and the World Education Web.
Up the hills past Tamalpais Cemetery lies the beginnings of the
waterway we are surveying.