Rob Watson on Twitter: "Poor man's drill and fill trial. 3 men doing 8 sheets per hour. 3/4 inch holes, 9 inches deep. https://t.co/CP2PISSL1d" / Twitter
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Dave Turner on Twitter: "@westernrootzone double drill and fill underway. https://t.co/mXEsWHcc7d" / Twitter
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Deep drilling improves greens, morale > Barksdale Air Force Base > News
Drill & Fill — Double D Turf LLC
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Western Rootzone
Notts Golf Club Hollinwell Drill and Fill | Fineturf
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Drill & Fill
WILLOW OAKS COUNTRY CLUB: Drill and Fill
Deep drilling improves greens, morale > Barksdale Air Force Base > News
Total Sports Ground Solutions – Drilling for a brighter future
Notts Golf Club Hollinwell Drill and Fill | Fineturf