Sand and Gravel in Ohio

Use of Sand and Gravel

I am referring to Geofacts No. 11, Tom's handout, here.  Sand and gravel are used, among other things, in construction.  In the picture above, sand is used to make the mortar used to bind the blocks together.  When it is time to put the dirt back into the area outside the block, right, gravel is used so that water will drain away and not stand against the outside of the block wall.  You can see what ODNR has to say about their other uses by clicking on the link above.

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