Start of Orioles-Dodgers game Wednesday delayed 41 minutes as grounds crew works on wet field
A Slippery Rock firm gets down and dirty with the Phillies, other MLB teams
A Slippery Rock firm gets down and dirty with the Phillies, other MLB teams
The Different Dirt Surfaces Used in MLB Stadium Infields
Why a Pennsylvania Dirt Farm Supplies Most MLB Teams' Infields
London Stadium transformed into a ballpark for Cubs and Cardinals
A Jersey boy helps Hellertown even up BML semifinal series with Limeport – The Morning Call
Polo Grounds - Wikipedia
For Opening Day, Baseball Is Racing to Perfectthe Infield Dirt - WSJ
Why a Pennsylvania Dirt Farm Supplies Most MLB Teams' Infields (26 of 30) : r/baseball
Playing in the Dirt: Keeping grounds at Minute Maid Park - The Crawfish Boxes