MIL-STD-2413, DEPARTMENT OF DEFENSE: STANDARD PRACTICE FOR STANDARD LINEAR FORMAT (SLF) FOR DIGITAL CARTOGRAPHIC FEATURE DATA (22 OCT 1993) [SUPERSEDES DPS-SLF-A]., This document defines the Standard Linear Format (SLF) as used by the Modernization Production System (MPS) of the Defense Mapping Agency (DMA) Digital Production System (DPS).