American Geographers, 1784-1812: A Bio-bibliographical Guide - Ben A. Smith, Francis T. Talty, James W. Vining - Google Books

http://books.google.de/books?id=_6QqjJDJ0xAC&pg=PA126&dq=Fielding+Lucas&hl=de&sa=X&ei=iTuIT4mGM4PVsgask7DsCg&ved=0CF8Q6AEwBg#v=o

The first major work to identify the original generation of American geographers--teachers, writers, surveyors, cartographers, engravers, and others--who made significant contributions to the field of geography during the early years of the republic. As…