I would love to share info, I will send you a private message with my email address. I have more on my computer that's not online.
Here is some stuff I have online:
Neil C. CHAPMANhttp://utahrockhounds.com/mygen/chapman/16.htm
Pictures that might interest you:
Chapman/Grandma's Trunk (unidentified pictures)/Rocheport pictureshttp://picasaweb.google.com/quartzsite.gen