Exhibit 23.1

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statement (Form
S-8) pertaining to the Non-Employee  Director Compensation Stock Plan of Harding
Lawson  Associates  Group, Inc. of our report dated July 3, 1998 with respect to
the consolidated  financial  statements of Harding Lawson Associates Group, Inc.
included  in its Form  10-K for the year  ended  May 31,  1998,  filed  with the
Securities and Exchange Commission.


San Francisco, California
October 15, 1998