Subject: roof support for underground house

From: [email-masked] (Doug Beatty)
Date: 30 Mar 1996 21:03:13 GMT

need information on and specs for roof system for underground housing 
with 3-4 feet of clay on the roof. 
sources of supply would be helpfull.
location is 115d w long  56d n lat
may have ;missed something in the green roof support postings.

regards,

doug beatty