Birds of the Central Susquehanna Valley
The checklist has been divided into two pages. Each can be printed in the "landscape" orientation (that is, cross-wise) on an 8.5 by 11" sheet of paper.
If you print them back-to-back on the same page, simply fold into thirds and you have a handy checklist you can carry with you!
OR you can download both pages as in "portable document format" (a PDF file) and print it using Adobe Acrobat: