Fun rainy (or snowy) day project for the kids
wlrandall
Posts: 440
Most of the materials are probably already in your garage or shed. Have fun!
http://pubs.usgs.gov/of/1998/ofr-98-0767/
Wally
http://pubs.usgs.gov/of/1998/ofr-98-0767/
Wally
Post edited by RyanC_Masimo on