No I am still new at this but maybe try the library and research were tornados hit years ago at least tell the people that will let you that you will pick the nails,tabs and other junk up off there land
It depends what you're looking for. I imagine that there's a wealth of interesting finds on Central because of the various fires, illegal activity and floods that have happened over the years.
They just recently took a building down across the road from where the brick house is and they've used an excavator on the lot. Might be worth looking into since the soil is already turned up.