If you do an online search for “Thornton Quarry tour,” here’s what comes up:
“The Village of Thornton, in conjunction with the quarry owner, offers two tours a year, on the first Saturday of the month in June and October. There is a $20 charge. Participants must be at least 18 years of age.”
And then this:
“Reservations are completely filled through 2021 and will not be accepted until further notice.”
In short, most of…
