TY  - MAP
AU  - 
AU  - Herron, R.B.
AU  - Smith, Glenn S.
AU  - Hackett, Merrill
AU  - Duck, J.A.
AU  - Wilson, J.H.
TI  - Ohio Londonville Quadrangle Surveyed in 1912 in Cooperation with the State of Ohio
U1  - 912.771 
PY  - 1914///
CY  - Washington
PB  - US Geological Survey
KW  - Topographic Map
N2  - Datum is mean sea level; Approximate mean declination 1912
ER  -