A = 1 3/8" (34 mm) B = 2 5/8" (67 mm) C = 1" (25 mm)

Ideal for all surveys, the low cost DEEP1 underground magnetic marker preserves nearly any underground location.  These colorful and permanent magnetic markers have also been chosen as an authorized way to mark references to government land survey monuments.  Easy to install, these magnetic markers conform to U.S. government instructions for color codes of collateral evidence of cadastral surveys.

The DEEP1 consists of a high-strength, permanent magnetic material in a rugged
polyethylene color-coded case and can be located up to 10 feet (3.05m).

The DEEP1 Magnetic Markers for surveys have been chosen as an authorized way to mark references to government land survey monuments.  Easy to install, they conform to U.S. government instructions for color codes of collateral evidence of cadastral surveys.  Colors include: Clear (under monument), Metallic Silver (Northeast Quadrant), Fluorescent Pink (SE Quadrant), Fluorescent Blue (SW Quadrant), Fluorescent Orange (NW Quadrant).