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"ditch on either side. It stretched from the old bed of the Tay at Inchtuthill to the banks of the Isla, at
"a point 2 miles above the present confluence of these rivers, - forming a triangular-shaped inclosure, bounded on
"the right & left by the convergent streams, & in front by the rampart in question. Within the area of this delta, which
"measured about 2 miles long on each of its 3 sides,were several conical rising grounds, supposed to have been
"exploratory mounts. (Cleaving Dyke was the name by which it was known in later times.) If we may regard it
"as a work of the Romans, the existence of this wall must necessarily confer some additional importance on the
"works at Inchtuthill as the vestigia of a Roman station; showing to have formed part of a great advanced
"post, in connection with which no labour had been spared to secure the full advantages of its naturally strong position"
Caledonia Romana p [page] 209.

"From this Camp (at Inchtuthel) a large wall of earth, called the Cleaving dike, 24 feet thick with a
"ditch, on each side, 60 feet distant from the wall, runs out in a straight line, W.N.W. [West-North West] nearly 2½ miles & is said to have
"joined the ancient course of the Tay. If this last circumstance be true, this rampart & those trenches, must have
"formed a very large defensible inclosure, in the form of a delta, 6 or 7 miles, in circumference; having the Isla
"on the east & South-east, the Tay on the South & west, & the Cleaving dike connecting both these rivers, on the north."
Chalmers Caledonia p [page] 176.

The Roman Camp of Micklehour is formed by the confluence of the Tay & Isla, it stretches 2 miles along
the Tay, 2 miles along the Isla, & 2 miles & a half along the dike that incloses it. It contains a praetorium on the
side next the Isla. The above mentioned dike is called Cleaven dike (that is the dike of the fork or confluence); a mile
& a half is still standing towards the Tay. There is a draught of it in Stobie's map of Perthshire; but it cannot be traced
within half a mile of the praetorium; the map stretches it out too far on the end next the praetorium. The Tay had formerly
run nearer the W. [West] end of the dike than it does at the present. Cleaven dike is 20 feet broad at present, & about 5 feet high and has been made out of two parallel trenches that are 20 yards from the dike on the opposite sides of it. Cleaven dike has openings at
the W. [West] end, and the middle for the egress & ingress of an army. The camp has a small exploratory fortification within it,
On [Continued]

Transcriber's notes

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