McGregor Lake Oversized Drystack

McGregor Lake is an argillite stone quarried from a large rock formation in Northwest Montana. This quarry produces a highly attractive stone consisting of golds, browns and grey tones with exciting dendrite fern patterns.

Small Oversized Drystack

Weight: 300-1,000 lbs per rock
Size Range: 16″-30″ x 16″-30″

Medium Oversized Drystack

Weight: 1,000-4,000 lbs per rock
Size Range: 2’x2.5’x3′ to 3’x3’x4′

Medium Seat Rocks

Palletized, 16″-30″ x 16″-30″ x 2-5′ long (500-5,000 lbs per rock)

Large/Jumbo Oversized Drystack

Weight: 4,000-6,000+ lbs per rock
Size Range: 3’x3.5’x4′ to NO MAX size

–ALL material above must be machine set–

Geological Stone Type: Argillite

*All weights and coverages are approximate

Parent Quarry

Stone Vendor

Mussel Shell River Squares & Recs interior

Montana Rockworks, Inc.

Montana Rockworks, the Northwest’s largest supplier of Thin Veneer, Architectural and Landscape stone. We are located in Kalispell, Montana; just south of the gorgeous Glacier National Park. We quarry our stone right here in the Northern Rockies; helping homeowners, architects, masons, and contractors bring the majestic beauty of natural stone into their homes and building projects.

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