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<br />I <br /> <br /> <br />+ <br /> <br />[ 3923 - <br /> <br />1 <br /> <br />'.<li,;U.., . <br />t",I) . <br /> <br />.'1"'....1 <br />..~~ <br />-.. <br /> <br />PREPARED BY <br /> <br />LANDMARK MAPPING <br />LAKEWOOO, COLORADO <br /> <br />RIO GRANDE SHEET INDEX <br /> <br />~~~ <br />65143121 ~ ~ <br />817 ~ <br />~ 1 <br /> <br />BASIS OF HORIZONTAL CONTROL: <br />THE COLORADO STATE PLANE COORDINATE SYSTEM <br />SOUTH ZONE LAMBERT CONFORMAL PROJECTION <br />THE FOLLOWING USC & GS TRIANGULATION <br /> <br />STATIONS WERE USED: <br /> <br />X <br /> <br />Y <br /> <br />GRANGER <br />PLAZA <br /> <br />370,705.65 <br />357,055 .90 <br /> <br />1,705,404.87 <br />1,778,401.19 <br /> <br />BASIS OF VERTICAL CONTROL: <br /> <br />USC & GS SEA LEVEL DATUM TIED TO THE <br />FOLLOWING BENCHMARKS <br /> <br />N-163 <br /> <br />R-163 <br /> <br />W-163 <br /> <br />Y-163 <br />BM-7874 <br /> <br />TOPOGRAPHY ON .THIS MAP COMPLIES WITH <br />NATIONAL MAP ACCURACY STANDARDS, <br /> <br />COMPILATION BY PHOTOGRAMMETRIC METHODS <br />FROM 6"C.F.L. VERTICAL AERIAL PHOTOGRAPHY <br /> <br />FLOWN MAY 5, 1986 <br /> <br />LEGEND <br /> <br />500 YEAR <br /> <br />: ;~:~:~:~:~:~:~:::::::::::::: <br /> <br />100 YEAR <br />FLOOD <br /> <br />8068 <br /> <br />500 YEAR <br />100YEAR FLOOD ELEV, <br /> <br />, <br /> <br />----* <br />"STREAM STATION IN 100 FT. <br />FROM LOWER STUDY LIMIT <br /> <br />~ <br />---- <br /> <br />INDEX CONTOURS <br /> <br />......-.--... <br /> <br />4'CONTOURS <br />2' INTERPOLATED CONTOURS <br /> <br />APPOX. SECTION LINES <br /> <br />. <br /> <br />. <br /> <br />CROSS SECTIONS <br /> <br />+ <br />-?- <br />+ <br /> <br />HORIZ. CONTROL <br /> <br />PHOTO CENTER <br /> <br />GRID POINT <br /> <br />200 <br />1"""""1 <br />scale <br /> <br />o <br />~ <br /> <br />200 <br /> <br />400 <br />, <br />feet <br /> <br />CONTOUR 4 <br />INTERPOLATED <br /> <br />FEET <br />2 FEET <br /> <br />^ U.S. DEPARTMENT OF AGRICULTURE <br />~ SOIL CONSERVATION SERVICE <br /> <br />FLOOD PLAINS <br />FLOOD PLAIN MANAGEMENT STUDY <br />RIO GRANDE NEAR DEL NORTE <br />IN RIO GRANDE COUNTY <br />COLORADO <br /> <br />SHEET 2Q. OF -2.Q.. <br />