False 1623-2003-X18 1623 2d 1/S + 2003-X18 1623-2003-X18 CUCC 2003 (Earl, Becka) E-W joint with two shaft entrances. Westerly entrance free-climbable to snow plug. Then crawl under arch into 2nd chamber at base of easterly entrance. No way on. 2003#03 1623/2003-X18.html 1623/2003-X18.html