Tex2002ans,
Thanks for all the info. The pdf I am converted was downloaded from
http://cybertracker.org. It was released under a creative commons license and I am converting it mainly for my own use, but might upload it to the MobileRead library.
In the original pdf, I think these tables are images (not searchable or selectable as text). After some googling around, I was able to use this service:
http://www.extractpdf.com to extract all of the images. These tables and several diagrams came back as .pngs, and the photgraphs are jpegs. In all, 32 images & about 2.8 Mb total. I am going just use these pngs for the tables, after trying to shrink them with the tools you recommended