Legend (sixmaps/SurveyMarksPublic)

SurveyMark (0) SSR PMR TSR CPR MMR CRR GBR SSP PMP TSP CRP MMP CPP GBP SSG PMG TSG CRG MMG CPG GBG SSC PMC TSC CRC MMC CPC GBC SSB PMB TSB CRB MMB CPB GBB SSU PMU TSU CRU MMU CPU GBU