(an e-mail exchange forum for researchers interested in isotopes in tree rings)

>Become a member by sending an e-mail message to with the message:  SUBSCRIBE TREE-RING_ISOTOPES youre-mailaddress yourname,

for example, SUBSCRIBE TREE-RING_ISOTOPES Steve Leavitt

>General Listserve Instructions (the same that members receive when they were originally signed on)

>All messages are archived and accessible according to general listserve instructions. The following are major exchange threads from recent e-mail topics:

Sample grinding

Choice of Alpha-cellulose (or holocellulose) vs. whole wood

Labelling samples during chemical processing

Rapid cellulose preparation