Stuff Dan sent me regarding paper patching.
Dan's .45-70 bore diameter PP reamer print
Dan's .45-90 bore diameter PP reamer print
Dan's .45-70 (grease groove) chamber diagram
Dan's .45-90 (grease groove) chamber diagram
Dan's .38-50 Remington Hepburn chamber diagram
Dan's .38-50 Remington Hepburn case expander diagram
Doc's 45-cal 18-T MiniG 5-groove tappered