Protect Your Property - Contact us today if you need to Fix a Retaining Wall on Your Property in Los Angeles, California Marshall GeoScience developed a strong reputation by providing sound engineering, testing, and inspection services on every project we undertake. We earned this reputation knowing that the true measure of our performance rests in the satisfaction of our clients. ... https://marshallgeo.com/engineering-geology/crucial-role-of-retaining-walls-in-construction/