The cause of the explosion at the Oak Grove Marina near Edgewater, Maryland, is unknown.

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This year, Oak Grove City Park is among a handful of northern Louisiana towns offering free RV spaces to evacuees on a first-come, first-served basis.

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Nearby Oak Grove High School also suffered damage.

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To understand, one must first go back thousands of years to Phoenician times, when black-hooved pigs (another name for the breed is pata negra, or black hoof) were introduced to an oak-grove ecosystem in southwestern Spain known as the dehesa.

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