and the Strata, &c. in Derly shire. 193 



the names and situations of most of the Rivers in the Di- 

 strict are pointed out, ihev have ahso been separately shown 

 in the Map annexed to the original 4 to. Report, and cati 

 readily be traced on anv Map. I shall therefore proceed to 

 pouit out sonie paniciilais of the course, and the nature ot 

 the bed, of each River ; and give the S|)ace, or number of 

 Acres nearly, on vvliich each collects its water. 



The Trefit claims our first notice, as being the largest 

 River in or near to Derbvshirc, and as cfteciing the dramage 

 oi nearly ten-thirteenths of the surface of the County, viz. 

 477,500 Acres of it, out of 622,080 Acres, exclusive of the 

 Idle, which also falls mlo the lower part ot this River. The 

 course of the Trent, froin where it first touches the border 

 of this County, 5. m. N of Croxail, at the mouth of the 

 Mease, until it leaves its border again, (| m. E of Long- 

 Eaton, at the mouth of the Erewash, is through a very wide 

 excavated Vale ia the Red Marl S:rata, having a steep bank 

 of these Strata close to the River, at Burrow-Hill SSW of 

 Walton, on the south of tlie River, at Seropley Hill E of 

 Burton Cliurch, at Biadon Hill SW of Newton Solney, 

 and at Holywell-HiU VV of Repton : of Gravel Rock NW 

 of Ingl bv: and, ot Red Marl and Freestone at Weston Cliff 

 and Church, N of the River, which is the only place that 

 the high ground approaches its stream on this side. In 

 Donnin<itoii-park, and W and NE of it, the Cliffs of Red 

 Marl and Us Freestone, form the southern bank of the River: 

 and at Rtd Hill, and thence to Thrumpton in Notting- 

 hanibhire, those of Red Marl and Gvpsi.m do the same. 

 The botiom of this m)ble Valley is less deep than the ori- 

 ginal Excavation in the Red Mart, being filled to a certain 

 height, and levelled, with sandy small (Quartz Gravel, mixed 

 with a lew Flints, and other distant Alluvia of this Island, 

 and some few smiiU thin Stones of the adjacent districts : 

 the Map of Strata and Soils facing jiage 97, by the Brown 

 colour thereon, will show how this Gravel is distributed. 



The Vale of the Trent in Derbyshire, with the short Vales 

 which drain by their Brooks into it, and by Rivulets with- 

 out Names, oceupv loueitier about 70,000 Acres of the sur- 

 face of Derbyshire; this i)eing exclusive of the Vales or 

 Drainages of the Erewash, Derweut, and Dove on the 

 north, and the Mease on the south of Trent, and ot their 

 Collateral Streams 



lilt lowest live miles of the Trent, where it bounds upon 

 Derbyshire, from the mouth of the. Erewash River to the 

 entrance of the Trent and Mersey Canal, at Wilden-Ferry 

 111 .Sliardlow, is now the only NuvlguLLe River remaining 



Vol. 39. No. 167. JViurc/i 1812. N in 



