North American Database of Archaeological Geophysics

Database Report:

Site Name: Jamestown Island (Brewhouse Area); Site Number: _____; County: Newport; State: VA; Country: USA; Ownership: National Park Service-Colonial National Historical Park; Landform: Island;

Date of Site: 17th Century; Period Type: Colonial Period; Culture: Euroamerican; Site Type: Settlement; Site Size: _____;

Survey Type: Electrical Resistivity/Resistance;

Instrument: Gossen Geohm 3; Sampling Interval: _____; Prospecting Depth: 0.1 to 7 m; Area Surveyed: 1 sounding location; Date of Survey: 15-June-1995; Land Cover Type: Lawn; Ground Truthing: No;

Graphics/Imagery:

Resistivity data at the Brewhouse Area;

  

Survey Type: Resistivity Sounding;

Instrument: Geoscan Research RM15 resistance meter with PA5 twin probe array; Sampling Interval: 0.5 m; Prospecting Depth: 0.5 m; Area Surveyed: 400 sq m; Date of Survey: 15-June-1995; Land Cover Type: Lawn; Ground Truthing: No;

Graphics/Imagery:

A resistivity sounding and its analysis;

  

Survey Type: Magnetic Gradiometry;

Instrument: Gem Instruments model GSM-19GW Overhauser Gradiometer; Sampling Interval: 0.3 x 1 m; Prospecting Depth: 1-1.5 m; Area Surveyed: 400 sq m; Date of Survey: 15-June-1995; Land Cover Type: Lawn; Ground Truthing: No;

Graphics/Imagery:

Magnetic gradiometer data at the Brewhouse Area;

  

Survey Type: Ground Penetrating Radar;

Instrument: GSSI SIR System-7 with 180 MHz antenna; Sampling Interval: 1 m traverse spacing; Prospecting Depth: ~2 m; Area Surveyed: 6-30 m long transects; Date of Survey: 15-June-1995; Land Cover Type: Lawn; Ground Truthing: No;

Graphics/Imagery:

Two radar profiles at the Brewhouse area;

  

Survey Type: Electromagnetic Conductivity;

Instrument: Geonics EM38; Sampling Interval: 0.2 seconds; Prospecting Depth: 1.5 m; Area Surveyed: Reconnaissance; Date of Survey: 15-June-1995; Land Cover Type: Lawn; Ground Truthing: No;

Graphics/Imagery:

A fast conductivity exploration of the area;

  

Project Name: Jamestown Island (Brewhouse Area), VA;

Reference: Bevan, B. (1995). Geophysical Remote Sensing at the Colonial National Historical Park, Findings of the June 1995 Course. Submitted to Colonial National Historical Park, Yorktown, Virginia.

Survey by: Bruce Bevan, Geosight, Pitman, NJ; Steven L. DeVore, National Park Service, Interagency Archeological Services, Denver, CO.

Survey for: Colonial National Historical Park;

Report Location: Colonial National Historical Park, Yorktown, VA; Report Type: CRM Report;

Abstract/Summary