Surveys conducted along the southeastern coast of Las Bela in the following years have shown that shell middens with different characteristics and variable chronology exist in many places among which are Gadani and Phuari Headlands and the shores of Lake Siranda. Shell middens are places where the debris from eating shellfish and other food has accumulated over time.

The large number and great vari­ety of stone beads on the Bead TImeline make their origins and manufacture of special interest. Two factors define the process: the characteristics of the raw material being used; and the effort that a beadmaker wishes to expend.