An underground utility locator using the magnetic method has multiple detection applications for buried objects:
• Survey markers at a depth to 9 feet
• PK nails at up to 1 foot
• Cast-iron pipe to depths of 10 feet
• Manhole covers to a depth of 10 feet
• Well-casings to depths of 18 feet
• Pipe and cable tracers buried up to 20 feet below the surface