Figure 3

(a) Study area in the Bam Salt plug shown in satellite image; (b) The sampling points for solid samples 1 to 7, (c) The location of solid samples 10-1 to 10-4 in pond 10 and Bit-1 to Bit-4 in the Bittern pond, (d) the sampling points for solid samples 12-1 to 12-4 in pond 12. Sampling points are represented by yellow arrows.