This bed of "rock-sand" varies in thickness from 25 to 48 feet.
Beneath this was a deposit of blackish mud, mixed with decayed organic matter, and varying in thickness from 2 to 2½ feet, in which the tops of the piles appeared and all the relics were found.
This is a mass of vegetable matter, varying in thickness from a few inches up to 3 or 4 feet.
They vary in thickness from 10 up to fully 40 feet.
The Pelican sandstone on the Athabaska is usually capped with a bed of hemitiferous sandstone varying in thickness from a few inches to four or five feet.
In one section at the latter place, four seams, ranging in thickness from one to four feet, besides a number of smaller ones, was found, distributed through about a thousand feet of sandstone and shales.
It extends to the east and west for at least thirty miles, and varies in thickness from twenty to two hundred and twenty-five feet, with probably an average of one hundred and fifty feet thickness.
The walls may vary inthickness from 4 to 16 yards, according to circumstances, and they are holed through only for ventilation.
The tin ore occurs in small veins, varying in thickness from half an inch to 8 or 9 inches, which are irregular, and so much interrupted, that it is difficult to determine either their direction or their inclination.
The first was a very fine red sand, which occurred in a layer varying in thickness from 6 ft.
The layers of clay varied in thickness from 1/16 in.
Wherever it was encountered in this work, the rock surface was covered by a deposit of boulders, gravel, and sand, varying in thickness from 4 to 10 ft.
The Gypsum Spring formation ranges in thickness fromabout 15 to about 35 feet.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "thickness from" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
