buff sandstone, cut, natural cleft face, roughly parged and tuckpointed
as found in barn/shed in rural Boulder, Colorado
stone, sandstone random rubble
sandstone, rubble laid, with rough parging and tuckpointing, laid predominantly horizontal
as found on a agricultural building in rural Boulder, Colorado
stone, mixed types, dry stacked
stone, sandstone and granite mix
dry stacked, rubble style
as seen in Central City, Colorado
colored concrete steps
colored concrete terrace with steps integrated into the natural stone
stone, black river rock pebbles
stone, black river rock pebbles
set in mortar as walking surface
as seen at the labyrinth, New Harmony, Indiana
stone, sandstone, buff, ashlar, cut smooth
stone, buff sandstone, cut smooth
rectangular ashlar pattern, 2:1 ratio
as seen on the Boulder County Courthouse
stone, sandstone, red, paving, ashlar pattern
stone, sandstone, Berthoud pink
stone, natural sandstone, color: Berthoud pink mix, natural cleft finish
gray mortar, tooled 3/8″ joints, 3:1 ratio
Berthoud mix is reddish pink, ranging to golden, sandstone found in eastern Colorado
stone, red sandstone, rusticated
red sandstone, rough cut, rusticated
vertical ashlar pattern, 2:1 ratio
3/8″ gray mortar joints, flush
stone, natural, Oklahoma brown
natural stone, Oklahoma brown, rectangular bedded, 3:1 max ratio
qualities: brown to golden, fairly brittle
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