Mapped sources: SH 2-156 [no high resolution observations; covered by 1.2m CO 1-0 survey] SH 2-157 Yancy CS 5-4, CO, 13CO 1-0, CS 2-1, HCN & SCUBA too.... IRAS 23151 (two pointings) Unmapped: BFS 18 = IRAS 23042+6000 = IRCO 859 Wu et al mapped this in CO 2-1 and detected no outflows. They used the NRAO 12m with a heterodyne array with very high Tsys ~700-1100K.