Aggregate Materials
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River Rock
At Iowa tile outlets and acreage drainage details, River Rock provides a rounded, earth-toned finish that helps protect exposed soil from runoff. Size: 1 inch to 3 inches. Type: Smooth, naturally rounded stones. Color: Tans, grays, browns and occasional reds.
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Large River Rock
After it settles, Large River Rock gives Iowa dry channels and water-feature borders a broad, rounded look that holds its place. Size: 2 inches to 4 inches. Type: Smooth, naturally rounded stones. Color: Tans, grays and browns.
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3/8" Natural Pea Gravel
Through Iowa frost and rain, 3/8" Natural Pea Gravel provides a smooth, open surface for walks, seating areas, and drainage details. Size: Approximately 3/8 inch. Type: Small, smooth, naturally rounded stones. Color: Tans, creams, grays, browns and occasional reds.
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