Moderator, only posting this as an FYI, please delete if you think it is necessary.
Was advised the following website has info and data on our historical period. It looks very interesting. If it has already been posted please pardon my excitement.
Best regards and good reading,
'Ol Gabe
http:/lastoftheplainsmen.freeforums.org/index.php
Gabe, it is a wonderful site for period photographs!
http://lastoftheplainsmen.freeforums.org/
LINK