( 1) General reference
OS 1:1250 1962
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( 2) General reference
Shotter DCA 1973 Romans in Lancashire pp65-7
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( 3) General reference
Jones GDB and Grealey S 1974 Roman Manchester pp23-27, 33-49, 140, 185 plans illus
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( 4) General reference
Thompson Watkin H 1883 Roman Lancashire plan
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( 5) General reference
Ordnance Survey archaeology field investigator BHP 17-OCT-75
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( 6) by Stewart Bryant 1982 Roman Manchester
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( 7) by A L F Rivet and Colin Smith 1979 The place-names of Roman Britain
Page(s)409-410
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