Additional sources of information Mt. Rushmore National Memorial Society 825 St. Joseph Street, Suite 217 PO Box 1066 Rapid City, SD 57709 (605) 341-8883 South Dakota Tourism Capitol Lake Plaza Pierre, SD 57501 (800) 952-2217 Community resources State highway department State geologist FREEZE AND THAW Simulate the physical weathering that water can cause when it freezes in cracks in rocks.
(the physical weathering; can cause; T:when it freezes in cracks in rocks) (it; freezes; L:in cracks in rocks) (Memorial Society; [is] National [of]; Rushmore)
the physical weathering it Memorial Society
can cause freezes [is] National [of]
T:when it freezes in cracks in rocks
L:in cracks in rocks
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