On this eminence stood Roxbury High Fort a strong earth-work planned by Henry Knox and Josiah Waters and Erected by the American Army June 1775 - crowning the famous Roxbury lines of investment at the Siege of Boston — — Map (db m295492) WM
More than 500 million years ago, as the continents drifted into their current locations, rocks from all over the world were deposited in the Boston Basin. Chunks of speckled granite, quartzite, and pink rhyolite mixed together. Then, deep . . . — — Map (db m257190) HM