EDO4157 - St John Ambulance Hall, North Square, Dorchester, Evaluation Trench 4

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Location

Grid reference Centred SY 69336 90863 (1m by 1m)
Map sheet SY69SE
Civil Parish Dorchester; Dorset
Unitary Authority Dorset

Technique(s)

Organisation

Terrain Archaeology

Date

2000

Description

Terrain Archaeology carried out an archaeological evaluation of the former St John Ambulance Hall, North Square, Dorchester, during February 2000. Four hand-dug test pits (Trenches 1-4) were excavated (1) (2). Trench 4 measured 1m x 1m and was excavated on the eastern side of the site, 5.5m north of Trench 3, to a depth of 1.2m. Natural deposits were not reached. 0.1m topsoil lay above 0.45m of 20th century made ground associated with the construction of the St John Ambulance Hall. This lay above 19th century soil and rubble layers associated with landscaping following the construction of houses on Orchard Street. The trench was backfilled and later re-excavated under archaeological supervision for an engineer's test pit on March 15th 2000. The excavation went 0.3m deeper than before and eventually a depth of 2m was reached in a small sonage in the SE quadrant. The 19th century deposits were not bottomed and a probe established that chalk bedrock lay at a depth of 3.4m below the surface (3).

Sources/Archives (3)

  • <1> Article in serial: Bellamy, P S. 2000. Dorchester, St John Ambulance Hall, North Square. Proceedings of the Dorset Natural History and Archaeological Society. 122. 166-167.
  • <2> Unpublished document: Bellamy, P. 2000. St John Ambulance Hall, North Square, Dorchester, Dorset: Archaeological Evaluation.
  • <3> Unpublished document: Bellamy, P. 2000. St John Ambulance Hall, North Square, Dorchester, Dorset: Archaeological Observations of Structural Engineer’s Test Pits.

Map

Parent/preceding Site Events/Activities (1)

  • St John Ambulance Hall, North Square, Dorchester; evaluation 2000

Record last edited

Jun 15 2015 12:15PM

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