North American Database of Archaeological Geophysics

Database Report:

Site Name: Fort Vancouver, Washington; Site Number: _____; County: Clark; State: Washington; Country: USA; Ownership: National Park Service; Landform: Field/Short Grass;

Date of Site: 1825-1860; Period Type: Historic; Culture: Euroamerican; Site Type: Trading Post; Site Size: 366 acres;

Survey Type: Vertical Electrical Sounding;

Instrument: Gossen Geohm 40D earth tester; Sampling Interval: 0.1-5 m; Prospecting Depth: 0.1-5 m; Area Surveyed: 2 twenty meter lines; Date of Survey: 13-17-May-2002; Land Cover Type: short grass; Ground Truthing: NO;

Graphics/Imagery:

Resistivity plot and model for data from resistivity line 1;	Resistivity plot and model for data from resistivity line 2;
Three-layer electrical stratification of resistivity line 1;	Three-layer electrical stratification of resistivity line 2;

Survey Type: Magnetic Gradiometry;

Instrument: Geoscan Research FM-36 fluxgate gradiometer; Sampling Interval: 8 samples/m x1m ; Prospecting Depth: 1-1.5 m; Area Surveyed: 800 sq m; Date of Survey: 13-17-May-2002; Land Cover Type: short grass; Ground Truthing: NO;

Graphics/Imagery:

Magnetic image showing possible locations of houses and linear anomalies;	Magnetic image showing possible locations of 2 houses and other anomalies;
Cultural interpretation of gradient magnetic data in Grid Units 1 and 2;	Cultural interpretation of gradient magnetic data in Grid Units 3 and 4;

Project Name: Resistivity Soundings at Fort Vancouver, Washington;

Reference: DeVore, Steven L. (2002). Resistivity Soundings at Fort Vancouver, National Historic Site, Clark County, Washington, Report by Midwest Archeological Center, Lincoln, Nebraska, submitted to Douglas Wilson, Fort Vancouver National Historic Site, National Park Service, Vancouver, Washington.

Survey by: DeVore, Steven L. Midwest Archeological Center, Federal Building, Room 474, 100 Centennial Mall North, Lincoln NE 68508-3873, email: steve_de_vore@nps.gov;

Survey for: National Park Service workshop "Recent Archaeological Prospection Advances for Non-destructive Investigations in the 21st Century."

Report Location: Midwest Archeological Center, Federal Building, Room 474, 100 Centennial Mall North, Lincoln NE 68508-3873, email: steve_de_vore@nps.gov;

Report Type: CRM Report;

Abstract/Summary