This standard specifies the principles, schemes, methods and accuracy requirements for the repair and survey of five national basic scale topographic maps (hereinafter referred to as basic maps) of 1:5000, 1:10000, 1:25000, 1:50000, and 1:100000. This standard applies to basic map repair and measurement operations.
GB/T 14268-1993 history
2008GB/T 14268-2008 Revision specifications for the national fundamental scale topographic maps
1993GB/T 14268-1993 Revision survey specifications for the national primary scale topographic maps