These coastal methods and theories were later applied to the problem of sand-bar erosion along the margins of the Colorado River through Grand Canyon and to levee-bank erosion in the Sacramento River delta.
(These coastal methods and theories; were applied; to the problem of sand-bar erosion along the margins of the Colorado River; T:later)
These coastal methods and theories
were applied
to the problem of sand-bar erosion along the margins of the Colorado River T:later