Castpics now has a searchable load database for cast boolit loads.
and the cool thing is you can search by cartridge and mold #.
enter 30-30 and 311291 and change the radio button to all words.
You get all the 30-30 data using the 311291.
I think this is a first in online data.
http://castpics.net/subsite2/LoadLookup/default.html
6400+ loads and growing.