EROSION, BEACH &#151;The retrogression of the shore line of large lakes and coastal waters caused by wave action, shore currents, or natural causes other than Subsidence .
(the shore line of large lakes and coastal waters; caused; by wave action, shore currents, or natural causes other than Subsidence)
the shore line of large lakes and coastal waters
caused
by wave action, shore currents, or natural causes other than Subsidence