Ancient Indus civilization articles which can be downloaded and read as PDF files from this site.

A Technique for Determing the Provenance of Harappan Banded Limestone "Ringstones" Using ICP-AES

The author's propose a method to analyze some of the largest artifacts recovered at Indus Civilization (ca. 2600 to 1700 BC) cities in Pakistan and northwestern India, the limestone “ringstones.” This later led to the determination that Harappa's ringstones came from near Dholavira.