Includes 3 cross sections: Section from near Washington S. 25° E. to the mouth of St. Mary's River -- Section from the Pennsylvania line S2'2°E. along the eastern shore to Pocomoke Bay -- Section from near the N.W. corner of Maryland due east to Hancock, and from thence S. 65E to the Chesapeake Bay at the mouth of the Patapsco River.
Tyson, Philip T. (Philip Thomas), 1799-1877, (creator)
A. Hoen & Co., (contributor)
1859