Internet Archaeol. 17. Willis.

Table 6: The Relative Proportions of Drag. 29 and Drag. 37 Decorated Samian bowls amongst Stratified Groups during the second half of the First Century and beginning of the Second Century AD. Arranged by Site Type and medial date, showing Calibration

Site / Excavation	Date of Group (arranged by medial date)	Group Size, ie. number of vessels identified to form: Drag. 29 / Drag. 37	Calibrated Score: the larger the number the later the Group?	Proportion formed by Drag. 29 (%)
Military Sites
Longthorpe I	c AD 44-62	24 / 0	-	100.0
Fishbourne, 1961-9, Period 1	c AD 37/43-75	21 / 10	-264	67.7
Kingsholm, Kingsholm Close 1972, Periods 1-3	c AD 49-67	12 / 0	-	100.0
Wall fort, 1968-72, Period 1	c AD 54-65	8 / 0	-	100.0
Brandon Camp fort, 1981-5	c AD 55-65	12 / 0	-	100.0
Exeter fortress	c AD 55/60-75	55 / 5	-750	91.7
Wall fort, 1968-72, Period 2	c AD 69-76	26 / 1	-175	96.3
Tiverton fort, 1981-6	c AD 65-83	14 / 10	-24	58.3
Alcester, Baromix site 1969, Phase A	c AD 65-85	5 / 8	+15	38.5
Hayton fort, 1975	c AD 70-80	1 / 8	+35	11.1
Castleford fort, 1977-84, Phase I	c AD 73-86	101 / 36	-65	73.7
Wall fort, 1968-72, Period 3	c AD 77-85/90	10 / 2	-24	83.3
Camelon, pre-1975 finds	c AD 82/83-7	29 / 23	-24	55.8
Strageath fort, 1973-86	c AD 83-7	18 / 15	-15	54.5
Corbridge, Red House, 1974	c AD 75-95	4 / 12	+40	25.0
Segontium fort, 1975-9, Periods 2-5	c AD 78-105	7 / 10	+36	41.2
Alcester, Baromix site 1969, Phases B & C	c AD 85-125	2 / 6	+100	25.0
Segontium fort, 1975-9, Period 5a (1)	c AD 106-122	7 / 5	-68	58.3
Extra Mural Occupation at Military Sites
Colchester, Sheepen 1970, Period 3	c AD 44-48	5 / 0	-	100.0
Castleford vicus, 1977-84, Phase I	c AD 73-86	22 / 14	-88	61.1
Carlisle, Tullie House, 1990 (2)	c AD 84	9 / 11	+8	45.0
Carlisle, Blackfriars St, 1977-9, Building 1 Period 3	c AD 85/95-105/115	6 / 6	0	50.0
Carlisle, Blackfriars St, 1977-9, Building 2 Period 3	c AD 85/95-105/115	8 / 9	+20	47.0
Melandra vicus, 1966-9, 'stream deposit'	c AD 83-125	1 / 17	+384	5.5
Rocester, Old Shops, Mill Street, 2000, Phase 2	c AD 95-130	1 / 15	+462	6.2
Extra Mural Occupation at Military Site, becoming Major Civil Centre
Lincoln, 181-3 High St, 1972, Period 2	c AD 75-105	17 / 10	-70	63.0
Major Civil Centres
Silchester, Rampart Sect. 1974, Group 1.1 & 'SW Angle' 1978, Group 1.2	c AD 30/35-70/75	4 / 0	-	100.0
Colchester, Sheepen 1970, Period 4	c AD 49-60	7 / 0	-	100.0
Southwark, Bonded Warehouse, BII-5, the SE gravel quarry	c AD 50-70	10 / 0	-	100.0
Verulamium, Period IIa, "Pre-building activity", from a likely well	c AD 61-78	20 / 15	-55	57.1
London, the site of the Forum 1968-9	c AD 60-100	18 / 4	-14	81.8
Southwark, Bonded Warehouse, BIII-1, contexts 24-30, NW of road	c AD 70-90	8 / 3	-5	72.7
Cirencester, Admiral's Walk, DMI pits 145/154 & 137/158	c AD 70-80/100	11 / 3	-40	78.6
Silchester, Manor Farm, 1980, Analytical Group 2.8	c AD 68-100	4 / 1	-12	80.0
Southwark, Bonded Warehouse, BIII-2a, contexts 36 & 37	c AD 70-100	5 / 0	-	100.0
Dorchester, Prison, 1975 pits 1 & 2; 1978 pit 1	c AD 90-100	4 / 6	+30	40.0
Silchester, 'South West Angle' 1978, Analytical Group 2.1	c AD 70/80-120/130	2 / 2	0	50.0
Southwark, 201-11 Borough High St, BIII-3, well 1, contexts 96-98	c AD 100-130	4 / 2	-70	66.7
Southwark, 201-11 Borough High St, BIII-3, pit 3, contexts 91-95	c AD 100-130	5 / 2	-105	71.4
Sites with agrarian character by Major Civil Centres
Canterbury, Rosemary Lane Car Park 1976-7, 'Pre-Flavian' Period (3)	c AD 50-70	7 / 1	-120	87.5
Small Towns, Roadside Settlements, smaller nucleated centres
Wall, 1968-72, Period 4	c AD 100-118	20 / 8	-348	71.4
Rural Sites
Snettisham, Bypass site, 1989, Phase 2	c AD 75-126	1 / 4	+63	20.0
Other
Fishbourne, 1961-9, Period 2	c AD 75-100	23 / 16	-49	59.0

Site / Excavation

Date of Group
(arranged by medial date)

Group Size, ie.
number of vessels
identified to form:
Drag. 29 / Drag. 37

Calibrated Score:
the larger the number
the later the Group?

Proportion formed
by Drag. 29 (%)

Military Sites

Longthorpe I

c AD 44-62

24 / 0

100.0

Fishbourne, 1961-9, Period 1

c AD 37/43-75

21 / 10

-264

67.7

Kingsholm, Kingsholm Close 1972, Periods 1-3

c AD 49-67

12 / 0

100.0

Wall fort, 1968-72, Period 1

c AD 54-65

8 / 0

100.0

Brandon Camp fort, 1981-5

c AD 55-65

12 / 0

100.0

Exeter fortress

c AD 55/60-75

55 / 5

-750

91.7

Wall fort, 1968-72, Period 2

c AD 69-76

26 / 1

-175

96.3

Tiverton fort, 1981-6

c AD 65-83

14 / 10

-24

58.3

Alcester, Baromix site 1969, Phase A

c AD 65-85

5 / 8

+15

38.5

Hayton fort, 1975

c AD 70-80

1 / 8

+35

11.1

Castleford fort, 1977-84, Phase I

c AD 73-86

101 / 36

-65

73.7

Wall fort, 1968-72, Period 3

c AD 77-85/90

10 / 2

-24

83.3

Camelon, pre-1975 finds

c AD 82/83-7

29 / 23

-24

55.8

Strageath fort, 1973-86

c AD 83-7

18 / 15

-15

54.5

Corbridge, Red House, 1974

c AD 75-95

4 / 12

+40

25.0

Segontium fort, 1975-9, Periods 2-5

c AD 78-105

7 / 10

+36

41.2

Alcester, Baromix site 1969, Phases B & C

c AD 85-125

2 / 6

+100

25.0

Segontium fort, 1975-9, Period 5a (1)

c AD 106-122

7 / 5

-68

58.3

Extra Mural Occupation at Military Sites

Colchester, Sheepen 1970, Period 3

c AD 44-48

5 / 0

100.0

Castleford vicus, 1977-84, Phase I

c AD 73-86

22 / 14

-88

61.1

Carlisle, Tullie House, 1990 (2)

c AD 84

9 / 11

45.0

Carlisle, Blackfriars St, 1977-9, Building 1 Period 3

c AD 85/95-105/115

6 / 6

50.0

Carlisle, Blackfriars St, 1977-9, Building 2 Period 3

c AD 85/95-105/115

8 / 9

+20

47.0

Melandra vicus, 1966-9, 'stream deposit'

c AD 83-125

1 / 17

+384

5.5

Rocester, Old Shops, Mill Street, 2000, Phase 2

c AD 95-130

1 / 15

+462

6.2

Extra Mural Occupation at Military Site, becoming Major Civil Centre

Lincoln, 181-3 High St, 1972, Period 2

c AD 75-105

17 / 10

-70

63.0

Major Civil Centres

Silchester, Rampart Sect. 1974, Group 1.1 & 'SW Angle' 1978, Group 1.2

c AD 30/35-70/75

4 / 0

100.0

Colchester, Sheepen 1970, Period 4

c AD 49-60

7 / 0

100.0

Southwark, Bonded Warehouse, BII-5, the SE gravel quarry

c AD 50-70

10 / 0

100.0

Verulamium, Period IIa, "Pre-building activity", from a likely well

c AD 61-78

20 / 15

-55

57.1

London, the site of the Forum 1968-9

c AD 60-100

18 / 4

-14

81.8

Southwark, Bonded Warehouse, BIII-1, contexts 24-30, NW of road

c AD 70-90

8 / 3

-5

72.7

Cirencester, Admiral's Walk, DMI pits 145/154 & 137/158

c AD 70-80/100

11 / 3

-40

78.6

Silchester, Manor Farm, 1980, Analytical Group 2.8

c AD 68-100

4 / 1

-12

80.0

Southwark, Bonded Warehouse, BIII-2a, contexts 36 & 37

c AD 70-100

5 / 0

100.0

Dorchester, Prison, 1975 pits 1 & 2; 1978 pit 1

c AD 90-100

4 / 6

+30

40.0

Silchester, 'South West Angle' 1978, Analytical Group 2.1

c AD 70/80-120/130

2 / 2

50.0

Southwark, 201-11 Borough High St, BIII-3, well 1, contexts 96-98

c AD 100-130

4 / 2

-70

66.7

Southwark, 201-11 Borough High St, BIII-3, pit 3, contexts 91-95

c AD 100-130

5 / 2

-105

71.4

Sites with agrarian character by Major Civil Centres

Canterbury, Rosemary Lane Car Park 1976-7, 'Pre-Flavian' Period (3)

c AD 50-70

7 / 1

-120

87.5

Small Towns, Roadside Settlements, smaller nucleated centres

Wall, 1968-72, Period 4

c AD 100-118

20 / 8

-348

71.4

Rural Sites

Snettisham, Bypass site, 1989, Phase 2

c AD 75-126

1 / 4

+63

20.0

Other

Fishbourne, 1961-9, Period 2

c AD 75-100

23 / 16

-49

59.0