1969 Survey became member agency of the new Department of Natural Resources. Ecphora quadricostata became Official State Fossil Shell by legislative Act. 1986 Survey moved to its new and permanent headquarters at 2300 St. Paul Street, Baltimore. Kenneth Weaver retired and was succeeded by Dr. Emery T. Cleaves. The Survey is downgraded from an agency to a division within a State agency as part of a major reorganization within the Department of Natural Resources.
Some geologic mapping is curtailed.
The Maryland Geological Survey celebrates its 100th anniversary.