Variable EPSG_2010`Const`

EPSG_2010: "+proj=tmerc +lat_0=0 +lon_0=-61.5 +k=0.9999 +x_0=304800 +y_0=0 +ellps=clrk66 +nadgrids=CQ77NA83.GSB +units=m +no_defs +type=crs" = '+proj=tmerc +lat_0=0 +lon_0=-61.5 +k=0.9999 +x_0=304800 +y_0=0 +ellps=clrk66 +nadgrids=CQ77NA83.GSB +units=m +no_defs +type=crs'

NAD27(CGQ77) / SCoPQ zone 4