Currently only used for mapmaryland.crs
     
    
    Usage
    set_mapmaryland_options(crs = NULL, overwrite = TRUE)
 
     
    
    Arguments
- crs
 
Coordinate reference system to set, e.g. "crs = 2804" to set "mapmaryland.crs" to 2804.
 
- overwrite
 
If TRUE, overwrite any existing option value.