Minor position changes to Block 49
Adding brick structures to Block 49
Added start date for New Orleans Mint
Added wikipedia link to US Mint
Adding wood structures to Block 48
Adding wood structures to Block 48
Adding wood structures to Block 47
Adding brick & wood structures to Block 47
Adding brick structures to Block 47
Adding brick structures to Block 47
Adjusted start and end dates on building based on 1891 map
Adjusted start and end dates on building based on 1891 map
Adjusted start and end dates on building based on 1891 map
Adjusted start and end dates on building based on 1891 map
Adjusted start and end dates on building based on 1891 map
Adjusted start and end dates on building based on 1891 map