POWDER RIVER BASIN AEROMAGNETIC SURVEY

WYOMING

SPECIFICATIONS

Flight lines: East-West, 1-mile spacing

Tie lines: North-South, 5- and 10-mile spacing

Elevation: 5,000 feet barometric

Total mileage: 32,650 miles

Instrumentation: Geometrics G-813 magnetometer, 0.05 gamma

Date flown: August to November, 1984, and June to August, 1985

DELIVERABLES

• Total Magnetic Intensity (IGRF removed) (RTP), contours on mylar
• Flight Path, on mylar
• Reduced-to-Pole TMI (RTP), color on paper
• Second Vertical Derivative (SVD), color on paper
• Shaded Relief of Horizontal Gradient, two illuminations
• Enhanced Linear Feature Analysis*, color on paper
• CD-ROM with digital profile data and grids of above maps