Silent Bob Awesome Friend Neighbor Joined Mar 20, 2014 Messages 1,629 Location Texas Oct 4, 2014 #1 Here are some more great PDF's for those interested in building shelters Attachments PSD_F-61-1.pdf 1.7 MB PSD_F-61-2.pdf 2 MB PSD_F-61-3.pdf 1.9 MB PSD_F-61-4.pdf 2.2 MB PSD_F-61-5.pdf 1.3 MB PSD_F-61-6.pdf 1.2 MB PSD_F-61-8.pdf 1.8 MB Roof-Vault_Catenary_Parabola_Curve_To_Hold_Weight_2005.pdf 10.9 KB Safe_Room_1993.txt 5.5 KB Shelter_1987.txt 2.2 KB