Archaeologists What can be inferred if flint weapons are found where no flint occurs?

in large muntains

My father and his father did, primarily in the fields of Sandusky County, Ohio as farmers. Their names were Kenneth Burkett and Arthur Burkett. I have the arrowheards is a box.

they already have been there

Flint-silica: 1390 kg/cu.m

Flint sparks when the steel rubs up against it and cuts tiny pieces of flint and the friction heats the tiny pieces of flint and they combust (explode) thus, showing the spark