The 100-foot-long earth tube was placed in a 10-foot-deep trench.
Jim Riggins
The 100-foot-long earth tube was placed in a 10-foot-deep trench. The earth tube tempers incoming air—cooling it in the summer, and warming it in the winter.
X
You may login with either your assigned username or your e-mail address.
The password field is case sensitive.
Loading