Sand, Earth Building Material Used in Indus Valley

This page is the CodyCross answer for the clue below from Fashion Show, Group 523, Puzzle 1 (Hairdressers).

Question is: Sand, Earth Building Material Used in Indus Valley

and the answer is: MUDBRICK

Word Meaning:

MUDBRICK — Adobe brick; unfired brick made from mud or clay mixed with straw.

Definitions from Wiktionary.