Northern Ohio East (OH)

Survey type M-D (magnetic; collected in digital form)
Flown by Div.Tech
Date flown 04/81-05/81
Line spacing 3.22 (km)
Altitude 548.64 (m) by barometer measurement
Total distance 7,331 (km)
References
Counties Ashland - Ashtabula - Coshocton - Crawford - Cuyahoga - Erie - Geauga - Holmes - Huron - Knox - Lake - Lorain - Marion - Medina - Morrow - Ottawa - Portage - Richland - Sandusky - Seneca - Stark - Summit - Trumbull - Tuscarawas - Wayne - Crawford - Erie - Mercer
Overlapping surveys

Data: Magnetic (M-D)