Which preposition to use with indentations

of Occurrences 25%

I strained my eye to no purpose, to follow the indentations of the coast, according to the map before me; the great bays and promontories could alone be perceived.

in Occurrences 17%

When a person first wears a false head of hair, the clasp which rests upon the head, at the upper part of the forehead, being new and elastic, and pressing rather closely, will, in a few months, often make quite an indentation in the cranium or bone of the head.

on Occurrences 11%

There is an indentation on the top of it, a superficial hollow, 5 feet 3 3/4 inches long, and 2 1/2 feet wide.

for Occurrences 1%

The rocks which compose its rim are of a sedimentary nature, and afford few indentations for harbors.

down Occurrences 1%

There should be a slight indentation down the face, without a stop between the eyes.

near Occurrences 1%

Joe put the arrowhead in his palm and looked at the indentations near the base and at the rounded but definite point.

between Occurrences 1%

HEADLong, the frontal bones of the forehead very slightly raised and very little indentation between the eyes.

as Occurrences 1%

It seems that they have also had to refuse the request of some curio-hunters who asked if they might have the indentations as mementos.

Which preposition to use with  indentations