How did you like the cupcake core sampling learning center? Did you find that it was a challenge? What do you think are some benefits to core sampling? Check out the following site
http://pubs.usgs.gov/fs/2009/3008/pdf/FS2009_3008_v1_1.pdf
What do you think of the information on pages 4,5 & 6 especially relating it to our discussions about sustainability and Earth Day?