Survey Size:
35,843 miles
Flight Lines:
East-West, ½-mile spacing, except, 2-mile spacing in western part of Webb, northeastern part of Duval, and northern part of Jim Wells Counties
Tie Lines:
a) North-South, 1½-mile spacing in western portion including all or portions of Webb, Zapata, Starr, Jim Hogg, and Duvall Counties
b) North-South, 5-mile spacing in all or portions of Kleberg, Kenedy, Willacy, Cameron, Hidalgo, Brooks, and Jim Wells Counties
c) Area of 2-mile line spacing has tie lines at 6-mile interval
Elevation:
Low level
Instrumentation:
High-sensitivity, optically pumped Cesium Vapor magnetometer with 0.25-second sampling
Date Flown:
1985 and 1986, 1997
Data Provided:
- Total Magnetic Intensity (IRGF removed) contour map
- Flight Path Map
- Reduced-To-Pole of TMI map
- Vertical Derivative map (optional)
- Horizontal Gradient (optional)
- Profiles, on paper (optional)
- CD/DVD with Flight Line data and grids
Total Cost:
Please contact for quote.
PDF spec sheet: A1039_tx_rio_grande_embay_rev-06-08
PDF map: A1039_tx_rio_grande_embay
KMZ download: A1039_rio_grande_embayment
SHP download: A1039_rio_grande_embayment.zip