shared an interest in conservation of natural resources, was a guest at the Camp on several occasions. On one of those visits, Ding and the President were on horseback and took advantage of briefly escaping the eyes of the Secret Service, taking a side trail to a deserted Forest Service observation tower. They dammed the creek beside the tower, caught and cooked lunch, and then watched the Secret Service comb the hills in search of them. Hoover's trips to camp were sometimes leisurely enough that he stopped for a roadside picnic. "Motorists paused along the highway, gaped at their President having fun." At other times, his departure from camp to Washington was so sudden that sandwiches were dispatched from the camp kitchen to the President for consumption en route, and Hoover was "intensely annoyed" when the press reported that his motorcade had sped at , in violation of Virginia's speed limit of . Lou Henry Hoover sometimes drove her own car. Camp Rapidan featured a large outdoor stone fireplace which was the backdrop for many photographs of the Hoovers and their guests. At Rapidan Camp, President Hoover offered to buy Bermuda, Trinidad, and British Honduras from Prime Minister MacDonald in exchange for most of Britain's war debt (from World War I) to the United States. But days later came the Wall Street Crash that marked the beginning of the Great Depression. In addition, Hoover and MacDonald came to an agreement that formed the basis of the 1930 London Naval Treaty while meeting at Rapidan Camp, talking for hours sitting on an "historic log". Rapidan Camp also gave name to the "Rapidan Plan" for deploying the Girl Scouts of the USA to help alleviate the economic collapse. Hoover's birthday opossum and the Mountain School A well-publicized story arose in August 1929, when a boy who lived in the nearby mountains presented President Hoover with a live opossum on his 55th birthday. Six months later, the President arranged for a new schoolhouse in the area, which had been so remote that no school existed previously. The incident resulted in a variety of legends and a great deal of apocryphal media publicity, including tales that the boy had managed to sneak past the Marine guard on duty before giving the opossum to the President as a birthday present. However, the best understanding of historians is that the story originated weeks earlier when Admiral