In developing 2" 12 ga. loads with all fiber and nitro cards and no plastic, we relied on pertinent information contained in Lyman's reloading manual from 1953. What was important then is important now. The fiber wad seating pressures on the powders listed (only Red Dot is available now) was surprising--up to 70 lbs. We were on a desert island regarding 2" shells--other than 2 higher pressure (8400 psi) loads at Hodgdon's site, no published data in the pressure ranges desired for our old guns. Gil