An amphibious vehicle called an Argo has eight wheels, two treads, floats on water, and can go just about anywhere. Has Noah Lottig found a place it can’t access? “Not yet. We’ve tried. We have not found a place where this will not go yet,” said Lottig, an assistant scientist at the UW-Madison Trout Lake Station in Boulder Junction. A fifteen-minute ride on the Argo allows Lottig and two graduate students to access an undeveloped, frozen bog near Sparkling Lake in Vilas County. Lottig has been