FIRST REPORT 
OF A 
GHOLOGICATSRECOIN OISSANCE 
OF THE NORTHERN COUNTIES OF 
AHRK AN SAS, 
MADE DURING THE YEARS 1857 AND 1858, 
BY 
s DAVID DALE OWEN, 
PRINCIPAL GEOLOGIST, 
ASSISTED BY 
WILLIAM ELDERHORST, Chemical Assistant; 
EDWARD T. COX, Assistant Geologist. 
LITTLE ROCK: 
JOHNSON & YERKES, STATE PRINTERS. 
1858. 
