1. Mineral Resources
  2. Online Spatial Data
  3. Airborne geophysical surveys

Northern Bexar County (TX)

XML
JSON
Survey type M/EM-D (magnetic; airborne electromagnetic; collected in digital form)
Flown by Fugro Instruments
Date flown 12/03
Line spacing 0.2 and 0.1 (km)
Altitude 35 (m) above ground
Total distance 1,281 (km)
References
Smith, Bruce D., Cain, Michael J., Clark, Allan K., Moore, David W., Faith, Jason R., Hill, Patricia L., 2005, Helicopter electromagnetic and magnetic survey data and maps, northern Bexar County, Texas; Open-File Report 2005-1158

https://pubs.usgs.gov/of/2005/1158/
Counties Bexar - Comal - Kendall
Overlapping surveys

Data: Magnetic (M-D)

Metadata Questions & Answers - Outline - Parseable text - XML
Download TX_4289.zip

Data: Magnetic, electromagnetic (M/EM-D)

Metadata Questions & Answers - Outline - Parseable text - XML
Download TX_OF05_1158.zip