Europe and later Africa exported, unintentionally, more than a dozen diseases that killed large numbers of American natives. Some, like measles and chickenpox, were childhood diseases that usually did not cause many deaths in the Old World but killed millions of American natives.
Mission Bay (San Diego) Mission Bay is a saltwater bay or lagoon located south of the Pacific Beach community of San Diego, California. The bay is part of the recreational Mission Bay Park, the largest man-made aquatic park in the country, consisting of 4,235 acres (17.14 km2), approximately 46% land and 54% water. The combined area makes Mission Bay Park the ninth largest municipally-owned park in the United States.
Bridge Bay Campground â¢ Bridge Bay is situated near Yellowstone Lake, 30 miles from the East Entrance to Yellowstone. It's also conveniently adjacent to Bridge Bay Marina/boat launch and store. A sanitary dump is available but no utility hook-ups. Pay showers and a coin laundry are also within four miles.