Notes concerning “Alabaster”

• Duplicating Durham’s Rock-Hard Putty 02021-01-22 (updated 02021-01-27) (1 minute)
• Leaf vein roof 02021-07-16 (updated 02021-09-11) (9 minutes)
• Material observations 02021-07-29 (updated 02021-12-30) (194 minutes)