About DRW Associates: Since 1946, Dr. Edward J. Walter & Associates, Inc. has been providing clients with a broad range of seismic and acoustic services. Dr. Edward J. Walter & Associates, Inc. was founded by E.J. Walter, Ph.D. and employs people intimately familiar with seismology, geophysics, acoustics, mining, heavy construction and explosives technology. The typical client base includes Federal and State agencies, municipalities, contractors, mining companies, engineering firms, blasting companies, heavy industry, insurance companies, homeowners, litigators, etc. Dr. Edward J. Walter & Associates, Inc. (DRW Associates) operates a fleet of over 150 seismographs and associated equipment .
ESTABLISHED OUR COMPANYDr. E.J. Walter began providing monitoring services.
WE BECAME AN INSTANTEL DISTRIBUTORWe began providing industry leading Instantel Seismographs to our clients.
The First Series III Seismographs Were AvailableSeries III Seismographs Include the Minimate, Minimate Plus, Minimate Blaster and Blastmate Seismographs. These units are so reliable that they are still widely used today.
DR. WALTER & ASSOCIATES BEGAN SELLING THE INSTANTEL MICROMATEInstantel’s newest handheld touchscreen seismograph became available which dramatically increased battery life, monitoring performance as well as simple operation and USB connections.