Wood Shed Links to Tree ID and other links

Here's a fun site, depending upon how you define fun, of course:
http://www.travisindustries.com/CostOfHeating_WkSht.asp

Enter a common name here and you will get good information (with pictures):
http://cnre.vt.edu/dendro/dendrology/factsheets.cfm

Posted by "nrford' in another thread. Uses the latin names grouped under the common family names. Good info & pics: http://mushroomexpert.com/trees/index.html

BTU link:
http://www.daviddarling.info/encyclopedia/W/AE_wood_heat_value_BTU.html

Firewood heat content, burning characteristics, and overall quality. Good Info!
http://www.thefireplacechannel.com/burningwood.html

Respectfully submitted for your consideration:

A table showing wood type by species, weight, and BTU output.
http://www.chimneysweeponline.com/howood.htm

A table for log weight by species and demensions.
http://sca.isa-arbor.com/PDFs/Green Log Weights by Mark Adams.pdf
I think I'll print this and keep it with me in the field.

A calculator for log weight.
http://www.woodweb.com/cgi-bin/calculators/calc.pl?calculator=log_weight

Hardwoods categorized by size and distribution of pores visible in end grain