Laserfiche WebLink
<br />""-... <br /> <br />I <br />I <br />I <br />.1 <br />I <br />I <br />!I <br />'I <br />I <br />,I <br />, <br />, <br /> <br />:1 <br />[I <br />I <br />I <br />I <br />,I <br />I <br />I <br />I <br /> <br />SECTION 2. GENERAL INFORMATION <br /> <br />2.1 Location, Size, and General Setting <br /> <br />In th i s report reference sha 11 often be made to "the Study Area n. The <br />Study Area is illustrated in Figure 1 and is legally defined as an aggregate <br />of all of the following contiguous land parcels: <br /> <br />(a) in Township 3 North, Range 70 West of the 6th Principal Meridian <br />Section 19 - West ~ of the West ~ <br />Section 30 - West ~ of the Northwest ~ <br /> <br />(b) in Township 3 North, Range 71 West of the 6th Principal Meridian <br />Section 22 - Southeast ~ of the Southeast ~ <br />Section 23 - East ~ and; South ~ of the Southwest ~ <br />Section 24 - all <br />Section 25 - all <br />Section 26 - all except the Southwest ~ of the Southwest ~ <br />Section 27- all except the West ~ of the West ~ and; except the <br />Northeast ~ of the Northwest ~; and except the Southeast ~ <br />of the Southeast ~ <br /> <br />The Study Area consists of approximately 3,000 acres which are located in <br />the valley of South St. Vrain Creek roughly 2 miles upstream from the City of <br />Lyons in north central Boulder County. The proposed dam site proper is <br />approximately 3/4 of a mile southwest of the south city limits of Lyons. The <br />Study Area is situated some 8 miles west-northwest of the City of Longmont and <br />about 12 miles north-northwest of the City of Boulder. <br /> <br />Colorado State Highway 7 meanders in a general east-west direction along <br />the valley floor t~rough the central part of the Study Area as does County <br />Road 84S which is also known as "Old St. Vrain Road" and "Old South Road". <br /> <br />2.2 Topography and Drainage <br /> <br />The topography in the Study Area is very irregular. The western part of <br />the Area is characterized by a deep, well-incised canyon which has been cut by <br />South St. Vrain Creek into resistant igneous rock. The canyon is V-shaped in <br />cross section and the canyon walls are irregularly inclined at angles ranging <br />from vertical and overhanging to about 250 (2 to 1). These slopes are as much <br />as 800 feet high. The canyon bottom is occupied by the narrow floodway of <br />South St. Vrain Creek and by Colorado Highway 7. <br />UEBLACKER ASSOCIATES, INCo <br />