Del. Code tit. 9 § 103
Kent County comprises that part of the State which is bounded as follows: On the north, by the southerly boundary line of New Castle County, as described in § 102 of this title; on the east, by the middle line of Delaware Bay from the point where the same is intersected by the southerly boundary line of New Castle County to a point in the middle line of the Bay nearest to the centre line of Mispillion River at the mouth thereof; on the south, by a line drawn by the shortest distance from the last mentioned point in the middle line of the Bay to the centre line of Mispillion River at the mouth thereof, thence up the Mispillion River the several courses thereof to a fork of the River, the point being marked by a large stone buried in the west side of a Mill Dam at the junction of Tan Trough Branch with Beaver Dam Branch (a small maple marked with 6 chops bears south 76 3/4 degrees west 8/10 of a perch from the stone, and a sweet gum on the east side of the Mill Dam marked with 6 chops bears south 44 3/4 degrees east 2.23 perches from the stone); and running thence up and with the middle of the run of the Tan Trough Branch the several meanderings thereof, the general trend of which Branch is in a southwesterly direction, about 874.7 perches to a stone monument (No. 1) set at the head of the Tan Trough Branch; thence running south 27 1/2 degrees west a distance of 480 perches to another stone monument (No. 3) set in the corner of the front yard attached to the dwelling owned and occupied by James L. Jump; thence running south 69 degrees and 50 minutes west a distance 299.1 perches to a point in the middle of the bridge over the division line ditch between the Counties of Kent and Sussex (the point is south 69 degrees and 50 minutes west 4/10 of a perch from a stone monument (No. 4) set on the east bank of the ditch in the north side of the public road); thence running down and with the middle of the run of the division line ditch the several meanderings thereof, the general trend of which ditch is in a southwesterly direction, a distance of about 500.5 perches to a point in the junction of this ditch with the ditch of the main branch of Nanticoke River; this same point bears south 86 degrees and 51 minutes east 2 perches from a stone monument (No. 5) set in the northeast side of the public road and in the next mentioned line; thence running north 86 degrees and 51 minutes west and at a distance of 2 perches passes stone monument (No. 5); thence crossing fields, swamps, striking across the middle of Marshy Hope Bridge in a diagonal direction the whole distance being 2870 1/4 perches to a stone monument (No. 14) set in the dividing line between the States of Maryland and Delaware, this being the terminus of the division line between the Counties of Kent and Sussex; and on the west by the State of Maryland.
9 Del. C. § 103