Archaeological Resources Assessment for Phase 1 Dredge Areas May - - PowerPoint PPT Presentation

archaeological resources assessment for phase 1 dredge
SMART_READER_LITE
LIVE PREVIEW

Archaeological Resources Assessment for Phase 1 Dredge Areas May - - PowerPoint PPT Presentation

GE Corporate Hudson River Project Environmental Programs Archaeological Resources Assessment for Phase 1 Dredge Areas May 27, 2005 1 GE Corporate Hudson River Project Environmental Programs Who are we? The archaeological studies are


slide-1
SLIDE 1

GE Corporate Environmental Programs

1

Hudson River Project

Archaeological Resources Assessment for Phase 1 Dredge Areas

May 27, 2005

slide-2
SLIDE 2

GE Corporate Environmental Programs

2

Hudson River Project

Who are we?

  • The archaeological studies are being conducted for

GE by URS Corporation

  • The URS team is directed by Dr. Daniel Cassedy, a

senior archaeologist with over 20 years of experience in the Northeastern United States

– Went to graduate school at the State University of New York at Binghamton – Dissertation research on the prehistory of the Hudson Valley

slide-3
SLIDE 3

GE Corporate Environmental Programs

3

Hudson River Project

What are we looking for ?

  • GE is identifying archaeological resources within the

Hudson River and its immediate river banks that might be impacted by the remedial dredging program.

  • These resources are in two main categories:

– Submerged historic objects and structures, such as boats, piers, canal features, etc. – Submerged or buried archaeological sites, such as Native American camps or historic structure foundations (in river

  • r in adjacent river banks)
slide-4
SLIDE 4

GE Corporate Environmental Programs

4

Hudson River Project

Outline of the Overall Process

  • Do our homework first (review existing data sources)
  • Identify areas of potential archaeological sensitivity
  • See how areas of potential sensitivity match up with

areas to be dredged

  • Where dredge areas correlate with sensitive areas, do

field surveys to see if archaeological sites are actually there

  • If we find significant sites in dredge areas, design and

implement mitigation measures

slide-5
SLIDE 5

GE Corporate Environmental Programs

5

Hudson River Project

Schedule of the Program

If we find significant sites in dredge areas, design and implement mitigation measures (may include recovery)

Pending

Where dredge areas correlate with sensitive areas, do field surveys to see if archaeological sites are actually there

Ph 1 dredge areas (June/July 2005) Ph 2 dredge areas (pending)

See how areas of potential sensitivity match up with areas to be dredged

Ph 1 dredge areas (done) Ph 2 dredge areas (pending)

Identify areas of potential archaeological sensitivity (where are sites likely to be located)

Done

Do our homework first (review existing data sources)

Done

TASKS TIME FRAME

slide-6
SLIDE 6

GE Corporate Environmental Programs

6

Hudson River Project

What did our homework include?

  • Talk to Knowledgeable Local Experts
  • Review NY State Site Files, Published Sources, and Old

Maps

  • Look for Evidence in the Sediment Coring Data
  • Review Underwater Remote Sensing Results
  • Analyze Environmental Features of Project Area
slide-7
SLIDE 7

GE Corporate Environmental Programs

7

Hudson River Project

Interaction With Local Experts

Local archaeologists, historians, librarians, and public

  • fficials were contacted. A partial list includes:
  • Members of the Town of Fort Edward Cultural

Resource Advisory Board

  • The Rogers Island Visitors Center
  • Washington and Saratoga County Historians
  • Department of Anthropology at Skidmore
  • NY State Office of Parks, Recreation, and Historic

Preservation

  • New York State Museum
slide-8
SLIDE 8

GE Corporate Environmental Programs

8

Hudson River Project

18th Century Maps Are Important

slide-9
SLIDE 9

GE Corporate Environmental Programs

9

Hudson River Project

More Recent Historic Maps Show Changes Along the River

1897 U.S. Geological Survey map of

  • Ft. Edward area
slide-10
SLIDE 10

GE Corporate Environmental Programs

10

Hudson River Project

Artifacts from Sediment Coring Program

slide-11
SLIDE 11

GE Corporate Environmental Programs

11

Hudson River Project

Artifacts from Sediment Coring

Program recovered 291 artifacts in 149 cores (out of approximately 5,000 total cores taken – about 2%) – 261 pieces of modified wood (have cut marks or saw marks) – 30 miscellaneous artifacts from a variety of time periods, including:

  • pieces of coal, slag, and cement
  • brick fragments
  • glass bottle fragments
  • earthenware pottery

Most artifacts are rounded and smoothed, which suggests they have been transported some distance in the river from their original sources No evidence of intact sites within the river bottom found in coring program

slide-12
SLIDE 12

GE Corporate Environmental Programs

12

Hudson River Project

Underwater Remote Sensing

  • Analysis of sonar data has

identified potential shipwreck locations

  • Other remote sensing studies

and diving are planned

slide-13
SLIDE 13

GE Corporate Environmental Programs

13

Hudson River Project

Archaeological Sensitivity Maps

  • Data on known historic and

prehistoric resources was entered into the project GIS database for analysis and display

  • Combined with

environmental data such as soils types and landforms, this allowed us to develop archaeological sensitivity maps

slide-14
SLIDE 14

GE Corporate Environmental Programs

14

Hudson River Project

What’s Next? Terrestrial Studies

  • Sensitive riverbank areas will first have a reconnaissance to

assess their condition. Archaeologists will conduct a thorough inspection of the riverbank (on foot and/or by boat).

  • Some areas will then get a systematic archaeological field survey.

This generally includes systematic shovel test pits (similar to fence-post holes, and the soil is screened through wire mesh).

  • These studies will identify the

locations of sites, if present, and provide preliminary data on significance.

  • Following agency review of the

survey data, additional field studies may be needed.

slide-15
SLIDE 15

GE Corporate Environmental Programs

15

Hudson River Project

What’s Next? Underwater Studies

  • Diver verification

surveys in selected areas

  • Additional remote sensing surveys
  • magnetometer (a sophisticated metal detector)
  • sub bottom profiling survey (ground penetrating radar)
  • multibeam bathymetry (map bottom contours)
slide-16
SLIDE 16

GE Corporate Environmental Programs

16

Hudson River Project

What Happens if We Find Important Sites?

  • A variety of mitigation measures are possible,

depending on the nature and location of the sites – Avoidance through dredge redesign – Documentation and recovery of significant information prior to dredging – Implementation of public education programs