North American Database of Archaeological Geophysics

Database Report:

Site Name: Fort Clark Trading Post; Site Number: 32ME2; County: Mercer; State: ND; Country: USA; Ownership: State; Landform: River Terrace;

Date of Site: 1822-1860; Period Type: Historic; Culture: Mandan / Arikara; Site Type: Fortified earthlodge village; Site Size: about 12 ha;

Survey Type: Magnetic Gradiometry;

Instrument: Geoscan Research FM-36; Sampling Interval: 0.25 x 0.5 m; Prospecting Depth: 1-1.5 m; Area Surveyed: 10,600 sq m; Date of Survey: June 2000; Land Cover Type: Open mowed grass; Ground Truthing: Yes;

Graphics/Imagery:

Magnetic image showing the Fort Clark Trading Post, associated dumping ground and cemetery, and Garreau's lodge and compound;	Magnetic image from the Fort Clark Trading Post, ND, showing features in the Euroamerican cemetery;
Comparison of the magnetic findings with an historic sketch of the Fort Clark Trading Post;

Survey Type: Magnetic Susceptibility;

Instrument: Geonics Ltd. EM38B; Sampling Interval: 0.5 x 0.5 m; Prospecting Depth: < 1 m; Area Surveyed: 3,400 sq m; Date of Survey: July 2000; Land Cover Type: Open mowed grass; Ground Truthing: Yes;

Graphics/Imagery:

Survey Type: Electrical Resistivity/Resistance;

Instrument: Geoscan Research RM-15 with MPX-15 multiplexer; Sampling Interval: 0.5 x 0.5 m; Prospecting Depth: 0.5 m; Area Surveyed: 5,600 sq m; Date of Survey: June 2000; Land Cover Type: Open mowed grass; Ground Truthing: Yes;

Graphics/Imagery:

Survey Type: Electromagnetic Conductivity;

Instrument: Geonics Ltd. EM-38B; Sampling Interval: 0.5 x 0.5 m; Prospecting Depth: 1.5 m; Area Surveyed: 3,400 sq m; Date of Survey: July 2000; Land Cover Type: Open mowed grass; Ground Truthing: Yes;

Graphics/Imagery:

Survey Type: Ground Penetrating Radar;

Instrument: GSSI SIR-2000, with 400 MHz antenna; Sampling Interval: 0.02 x 0.5 m; Prospecting Depth: about 2 m; Area Surveyed: 600 sq m; Date of Survey: July 2000; Land Cover Type: Open mowed grass; Ground Truthing: Yes;

Graphics/Imagery:

Project Name: Fort Clark Trading Post (32ME2), ND;

Reference: Kvamme, K.L. (2001). Interim Report of Geophysical Investigations at the Fort Clark and Primeau's Trading Posts, Fort Clark State Historic Site (32ME2): 2000 Investigations. ArcheoImaging Lab, Department of Anthropology and Center for Advanced Spatial Technologies, University of Arkansas, Fayetteville, Arkansas. Submitted to PaleoCultural Research Group, Flagstaff, Arizona, and State Historical Society of North Dakota, Bismarck, North Dakota.

Ahler, S.A., Kvamme, K.L, and J.C. Kvamme (2000) Summary Report on 2000 Field Investigations at Fort Clark State Historic Site, 32ME2, Mercer County, North Dakota. ArcheoImaging Lab, Department of Anthropology and Center for Advanced Spatial Technologies, University of Arkansas, Fayetteville, Arkansas. Submitted to the State Historical Society of North Dakota, Bismarck, North Dakota.

Survey by: Kenneth L. Kvamme, Department of Anthropology, Main 330, University of Arkansas, Fayetteville, AR, 72701, USA; Phone: 501-575-4130; Fax: 501-575-6595; email: kkvamme@uark.edu; web: www.uark.edu/depts/anthinfo/kvamme.html.

Survey for: State Historical Society of North Dakota;

Report Location: State Historical Society of North Dakota, Bismarck, ND; Report Type: CRM Report;

Abstract/Summary