<span>The first recorded topographical maps issued by the government were based on the East Coast, of Boston Harbor, in 1846. A decade previous, however, in 1835, the Geological and Topographical Survey of Maryland had created a map of Maryland where the relief was shown by visual contour lines, and this 1835 map is considered the first state-issue topographical map.</span>
Planting grass and trees would stop erosion.
<span>Well more then likely if the town of Bedrock was given that name would be based on it's natural environment like most towns whose names are given them would be because of how hard and corse the ground would be and also more then likely would horrible for farming but actually best for warehouses and machine businesses</span>
