A serious obstacle to the growth of the town was its dangerous position on a river bank that was being steadily eroded by the waters of the Mississippi during the annual spring flooding.
(A serious obstacle to the growth of the town; was; its dangerous position on a river bank) (a river bank; was being steadily eroded; by the waters of the Mississippi; T:during the annual spring flooding)
A serious obstacle to the growth of the town a river bank
was was being steadily eroded
its dangerous position on a river bank
by the waters of the Mississippi T:during the annual spring flooding