Underground Detective Blog

Ready to Dig? Read This First! What do the colors mean?

What do the colors mean?

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Have you ever pulled into a grocery parking lot or a gas station and noticed the lot is spray painted with all colors of the rainbow?  Have you ever driven through a neighborhood and noticed a yard with many small, Read more >

using GPR to locate unmarked graves

Locating Unmarked Grave Sites

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The daily tasks of the Underground Detective technicians mostly involve using ground penetrating radar (GPR) to locate underground utilities, UST’s, and other objects in the underground. But occasionally, a little variety is added to our days when we are asked Read more >

utility line markings

State One-Call vs Private Utilities Location

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Private utilities location – Do I need it?

The 811 State One-Call is a call everyone needs to make before starting any excavation project! It is a free service which will cover locating all underground utilities from the street to Read more >