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Fig. 1


SPIRE 250 μm map of the area surrounding SAMS2. Contours are from 0.02 to 0.1 Jy beam-1 every 0.02 Jy beam-1. The intense emission at the lower centre of the map originates from M 81. The positions of the sources discussed in this paper are labelled. The weak clouds SAMS 3-5 are marked by circles with the approximate size of the clouds. The square marks the area of SAMS6 over which spectra have been averaged to detect a weak CO line (see Fig. 4).

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