(1) The beginning point is on the section line boundary between Section 33, Range 3 West, Township 6 North and Section 4, Range 3 West, Township 5 North, Mount Diablo Range and Meridian, marked with an elevation of 1,731 feet, which is a northwest corner of the boundary between Napa and Solano Counties.

(2) From the beginning point, the boundary runs in a north-northeasterly direction approximately .9 mile to the summit of an unnamed hill having a marked elevation of 1,804 feet;

(3) Then northeasterly approximately .7 mile to the summit of an unnamed hill having a marked elevation of 1,824 feet;

(4) Then south-southeasterly approximately .6 mile to the summit of an unnamed hill having a marked elevation of 1,866 feet;

(5) Then south-southeasterly approximately .5 mile to the summit of an unnamed hill having a marked elevation of 2,062 feet;

(6) Then southerly approximately .7 mile to the summit of an unnamed hill having a marked elevation of 2,137 feet;

(7) Then south-southeasterly approximately .4 mile to the summit of an unnamed hill having a marked elevation of 1,894 feet;

(8) Then southerly approximately 2.3 miles to the midpoint of the section line boundary between Sections 15 and 22, Township 5 North, Range 3 West, Mount Diablo Range and Meridian;

(9) Then southwesterly approximately 1.3 miles to the summit of an unnamed hill having a marked elevation of 1,593 feet;

(10) Then west-northwesterly approximately 1.2 miles to the summit of an unnamed hill, on the Napa/Solano County boundary, having a marked elevation of 1,686 feet;

(11) Then north-northeasterly approximately 1.5 miles to the summit of an unnamed hill having a marked elevation of 1,351 feet;

(12) Then north-northeasterly approximately 1.2 miles to the summit of an unnamed hill having a marked elevation of 1,480 feet; and

(13) Then north-northwesterly approximately 1.0 miles to the point of beginning.