baltimore tree trust logo references and research
http://www.jjhinrichs.com/images/NTT_2003AnnualReport_WEB.pdf
http://www.treetrust.org/index.html
http://www.na.fs.fed.us/Spfo/pubs/uf/treeguidehtm/chapter6.htm
tree baltimore:
http://www.ci.baltimore.md.us/government/recnparks/treeBaltimore.php
baltimore's approved trees by the forestry division:
http://www.ci.baltimore.md.us/government/recnparks/downloads/091107_Baltimore_City_Approved_Tree_List.pdf
thats a nice variety of choices there. 100 logo sketches with lots to pick from makes this less stressful