001762L 1 0600049   22040000210000012921DDDF77500000;&1107DDDF.DDF0100;&DDF RECORD IDENTIFER1600;&Data Dictionary/DefinitionMODN!RCID!EORA!EALB!DFIN!AUTH!ADSC(A,I,5A)00169 D 1   00041   310400010080DDDF12080000001DDDF1ATTELEVATIONThe vertical distance from a given datumUSGS/NMDU.S. Geological Survey/National Mapping Division