BA3100 LANDS AGAINST TFC AT DUSK AT AN UNCTLED ARPT AND HAS A CLOSE GND CONFLICT WITH A NORDO C172 TAKING OFF IN OPPOSITE DIRECTION. C172 HAD ROTATING BEACON BUT NO NAV LIGHTS LIT.

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ON VISUAL APCH TO CIC. AT 16 DME S; I ANNOUNCED THAT WE WERE INBOUND FOR LNDG AND INTENDED TO USE RWY 31R; TFC PERMITTING. THERE WERE 2 ACFT IN THE PATTERN FOR RWY 13L. BOTH ANNOUNCED THEIR INTENTION TO MAKE A FULL STOP. THE LAST ACFT TAXIED CLR OF THE RWY WHEN WE WERE AT 10 DME. I ANNOUNCED THAT WE WERE 10 DME S; PLANNING A STRAIGHT-IN APCH TO RWY 31R. THERE WERE NO ACFT VISIBLE TO US; NO ACFT ON THE TCASII; AND NO RADIO XMISSIONS HEARD FOR THE REMAINDER OF THE APCH. AT 1000 FT AGL; THE CAPT CALLED FOR GEAR; FLAPS AND LNDG CHK. I PERFORMED THESE; AND ANNOUNCED THAT WE WERE ON A 5 MI FINAL RWY 31R. AT 500 FT AGL; I CREW-CALLED 500; OBSERVED THAT THE RWY WAS CLR AND ANNOUNCED 'RWY CLR' TO THE CAPT. I THEN ANNOUNCED 'SHORT FINAL; RWY 31R' ON THE CTAF. AT 200 FT AGL; I ANNOUNCED TO THE CAPT '200; FLOWS OFF; RWY CLR.' BECAUSE THE SUN HAD SET MINS PRIOR; IT WAS DIFFICULT TO SEE THE OPPOSITE END OF THE RWY. AFTER 200 FT; I BEGAN CALLING OUT REF SPDS AND MY ATTN WAS 75% INSIDE THE AIRPLANE. WE TOUCHED DOWN IN A NORMAL DISTANCE. AFTER THE CAPT SET THE NOSEWHEEL DOWN; WE NOTICED A C172 APPROX 1000 FT IN FRONT OF US; ON ITS TKOF ROLL; OPPOSITE DIRECTION; RWY 13L. THE CAPT SELECTED FULL REVERSE AND MAX BRAKING AND STEERED TOWARD THE R SIDE OF THE RWY. THE CESSNA ALSO SLOWED AND STEERED R. WE PASSED THE CESSNA WITH APPROX 40 FT BTWN WINGTIPS AT 50 KT AIRSPD. THE WIND AT THE ARPT WAS CALM. THE C172 NEVER MADE A RADIO CALL. THE C172 HAD NO LIGHTS; EXCEPT FOR THE TAIL ANTI-COLLISION LIGHT. I BELIEVE THE CESSNA TAXIED ONTO THE RWY TO DEPART SHORTLY AFTER OUR 200 FT AGL POINT OF THE APCH.