Simple past tense and past participle of prospect.(verb)
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Use "prospected" in a sentence
"Three years before, they had prospected from the head-reaches of the Koyokuk northward and clear across to the mouth of the"
"These figures show us, that, if, of the million Northern men who have "prospected" the Southern country, in the march of victorious armies, only seventy-three thousand determine to take up their future lot there, and to establish there free institutions, they would be enough, without the help of one native, to establish these republican institutions in all the Rebel States."
"There is a deep pit in front of our cabin, and another at the side of it, though they are not worked, as, when "prospected," they did not "yield the color.""