 He brought his surveying equipment and assistants along, and wound up producing the first accurate map of the Catskill Mountains.Slide's 4,180 feet (1,277 m) put it well above High Peak, now consigned to 23rd on his list (he would also pioneer the switch in names between High Peak and Round Top, once he had established which was higher) The resort owners protested and tried to discredit his findings, but they were solid and by 1879 other surveyors had confirmed them.When New York established its Forest Preserve several years later, a delegation from the state forestry board commemorated the event by climbing Slide, not High Peak.