'From about 1620 to the mid-1800s, firearms used this rock to produce a spark that ignited the gunpowder'
flint
ROCKS: From about 1620 to the mid-1800s, firearms used this rock to produce a spark that ignited the gunpowder
From about 1620 to the mid-1800s, firearms used this rock to produce a spark that ignited the gunpowder
From about 1620 to the mid-1800s, firearms used this rock to produce a spark that ignited the gunpowder
ROCKS
flint
ROCKS