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<br />LEGEND
<br />FLOOD PLAIN LIMITS
<br />
<br />.~ ~~~ '
<br />,.""...:"""":/:'.:..:,,,,: ='
<br />.::,',::::::::,:::,::,::::::::::::',:::':,::::', 100 YEAR
<br />::.""""'.:..,::"""",,,,}' FLOOD
<br />,z_Z1~ ,
<br />
<br />I 000 YEAR
<br />) FLOOD
<br />
<br />GROUND ELEVATION IN FEET
<br />MEAN SEA LEVEL DATUM
<br />CONTOUR, INTERVAL 2.0'
<br />CROSS SECTION
<br />CROSS SECTION CONTINUED
<br />PERENNIAL STREAM
<br />PERMANENT BENCH MARK
<br />HORIZONTAL CONTROL
<br />VERTICAL CONTROL
<br />PHOTO CENTER
<br />GRID POINT
<br />POWER POLE
<br />FENCE
<br />
<br />----7090---"
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<br />
<br />COLORAOO SOUTH ZONE STATE PLANE COORDIN'
<br />ATES TRIANGULATION STATIONS
<br />NAME ORDER COORDINATES
<br />EIGHT 1 ST Y:::. IB7,330.46
<br />X:::. 1,563.897.87
<br />PAGOSA 2ND y", 222,268.81
<br />X:::. 1,559,704.75
<br />HOTT 2ND V:::. 231,558.03
<br />X:::. 1,589,234.02
<br />O'SANNON 3RD Y'" 246,596.70
<br />X" 1,588,330.40
<br />HORIZONTAL CONTROL BASED ON 1927 NORTH AMERICAN
<br />DATUM, COLORADO COORDINATE SYSTEM SOUTH ZONE.
<br />VERTICAL OONTROL BASED ON U.S,C. a G.S. 1929 SEA
<br />LEVEL DATUM.
<br />TOPOGRAPHY ON THIS MAP COMPLIES WITH NATIONAL MAP
<br />ACCURACY STANDARDS_
<br />COMPILATION BY PHOTOGRAMMETRIC METHODS FROM 6"
<br />C.F.L. VERTICAL AERIAL PHOTOGRAPHY FLOWN
<br />OCTOBER 22, 1970_
<br />PHOTOGRAMMETRY BY
<br />NELSON, HALEY, PATTERSON AND QUIRK. ENGINEERING
<br />CONSULTANTS, 2021 CLUBHOUSE DRIVE, GREELEY, COLO.
<br />
<br />FLOOD HAZARD AREAS ARE FOR EXISTING CONDITIONS-
<br />OCTOBER 1915.
<br />FLOOD AREA OUTLINES WERE DETERMINED BY MATCHING
<br />WATER SURFACE PROFILE ELEVATIONS WITH TOPOGRAPHY.
<br />
<br />REVISION
<br />
<br />DATE
<br />
<br />BY
<br />
<br />U, S. DEPARTMENT OF AGRICULTURE
<br />SOIL CONSERVATION SERVICE
<br />FLOOD HAZARD AREAS
<br />SAN JUAN RIVER AND Mc CASE CREEK
<br />PAGOSA SPRINGS
<br />ARCHULETA COUNTY, COLORADO
<br />200 0 200 400 600
<br />-~
<br />SCALE I N FEET
<br />SHEET 2 OF 9
<br />
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