Identifying Historic Properties for Project Review

Under Section 106 of the National Historic Preservation Act, federal agencies must consider the effects of their actions on properties that are listed in, or eligible for listing in, the National Register of Historic Places. The Maryland Historical Trust Act requires state agencies to follow the same process. 

Before they can consider effects, agencies must first identify historic properties in consultation with the Maryland Historical Trust (MHT). They can do this by:

• Searching existing data
• Conducting new research
• Completing Determinations of Eligibility (DOEs)

Learn more about the state and federal project review process.

Searching Existing Data

MHT maintains extensive records and information on the state’s historic and archaeological resources, including National Register-listed properties, in:

• Medusa, the state’s cultural resource information system, and
• the MHT Library.

Local government planning offices may also have data on historic and cultural resources in the area that will be affected by the project.

Conducting New Research

In some cases, existing data may not be sufficient for project review, and agencies (or recipients of agency assistance) may need to do field research. Before conducting new research, however, it is important to consult with MHT to develop the necessary scope of work.

MHT provides helpful guidance for completing archaeological studies as well as architectural field research:

• Standards & Guidelines for Archaeological Investigations - PDF - 3.57 MB - PDF - 3.57 MB
• Standards & Guidelines for Architectural and Historical Investigations - PDF - 16.88 MB - PDF - 16.88 MB

The National Park Service, which maintains the National Register, also offers extensive guidance for documenting historic properties and assessing National Register eligibility.

In most cases, agencies (or recipients of agency assistance) will need to hire qualified consultants to complete field research. Before beginning work, consultants should request copies of all MHT correspondence related to a project from their client. 

Completing Determinations of Eligibility (DOEs)

As part of its research, an agency (or project consultant) may recommend that a property does or does not meet National Register criteria. This evaluation is important, as the project review process only considers effects on properties eligible for the National Register. 

To seek MHT’s concurrence on an eligibility recommendation, the agency (or consultant) prepares a DOE form. The DOE serves as the formal request for a consensus determination under state and federal law. Once reviewed and finalized, the determination becomes part of MHT’s permanent records in Medusa.  

Preparers should reach out to MHT at the outset of each project to confirm documentation requirements and obtain the most current DOE form and supporting materials. Because forms, templates, and submission procedures are periodically updated, early coordination helps ensure that the appropriate and up-to-date tools are used.