"AAA 
CONTENTS OF VOLUME III. 
EXTRACTS FROM THE [PRELIMINARY] REPORT OF LIEUTENANT A. W. WHIPPLE, CORPS OF TOPOGRAPHICAL 
ENGINEERS, UPON THE ROUTE NEAR THE THIRTY-FIFTH PARALLEL, WITH AN EXPLANATORY NOTE 
BY CAPTAIN A. A. HUMPHREYS, CORPS OF TOPOGRAPHICAL ENGINEERS. 
PARTS I--IV OF THE REPORT OF LIEUTENANT A. W. WHIPPLE, CORPS OF TOPOGRAPHICAL ENGINEERS, 
UPON THE ROUTE NEAR THE THIRTY-FIFTH PARALLEL. 2 
