National Geodetic Survey, Retrieval Date = APRIL 21, 2010 NY0924 *********************************************************************** NY0924 DESIGNATION - HOGBACK NY0924 PID - NY0924 NY0924 STATE/COUNTY- OR/KLAMATH NY0924 USGS QUAD - ALTAMONT (1995) NY0924 NY0924 *CURRENT SURVEY CONTROL NY0924 ___________________________________________________________________ NY0924* NAD 83(1991)- 42 14 34.76711(N) 121 42 21.24834(W) ADJUSTED NY0924* NAVD 88 - 1891.2 (meters) 6205. (feet) VERTCON NY0924 ___________________________________________________________________ NY0924 LAPLACE CORR- 2.75 (seconds) DEFLEC09 NY0924 GEOID HEIGHT- -22.59 (meters) GEOID09 NY0924 HORZ ORDER - SECOND NY0924 NY0924.The horizontal coordinates were established by classical geodetic methods NY0924.and adjusted by the National Geodetic Survey in October 1991. NY0924 NY0924.The NAVD 88 height was computed by applying the VERTCON shift value to NY0924.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) NY0924 NY0924.The Laplace correction was computed from DEFLEC09 derived deflections. NY0924 NY0924.The geoid height was determined by GEOID09. NY0924 NY0924; North East Units Scale Factor Converg. NY0924;SPC OR S - 64,738.027 1,400,472.132 MT 1.00002397 -0 49 30.1 NY0924;SPC OR S - 212,395.10 4,594,724.84 iFT 1.00002397 -0 49 30.1 NY0924;UTM 10 - 4,677,566.449 606,766.276 MT 0.99974026 +0 52 12.3 NY0924 NY0924! - Elev Factor x Scale Factor = Combined Factor NY0924!SPC OR S - 0.99970701 x 1.00002397 = 0.99973098 NY0924!UTM 10 - 0.99970701 x 0.99974026 = 0.99944735 NY0924 NY0924: Primary Azimuth Mark Grid Az NY0924:SPC OR S - HOGBACK AZ MK 302 26 32.4 NY0924:UTM 10 - HOGBACK AZ MK 300 44 50.0 NY0924 NY0924|---------------------------------------------------------------------| NY0924| PID Reference Object Distance Geod. Az | NY0924| dddmmss.s | NY0924| NY0910 SWAN LAKE POINT LOOKOUT TOWER APPROX.19.9 KM 0023222.5 | NY0924| CD7607 HOGBACK RM 1 8.469 METERS 13650 | NY0924| NY0925 HOGBACK LOOKOUT TOWER 12.828 METERS 17833 | NY0924| NY0926 HOGBACK RM 3 11.500 METERS 22203 | NY0924| CD7608 HOGBACK RM 2 5.422 METERS 22844 | NY0924| NY0941 CHASE MOUNTAIN LOOKOUT TOWER APPROX.29.0 KM 2352503.0 | NY0924| CD7606 HOGBACK AZ MK 3013702.3 | NY0924|---------------------------------------------------------------------| NY0924 NY0924 SUPERSEDED SURVEY CONTROL NY0924 NY0924 NAD 83(1986)- 42 14 34.76888(N) 121 42 21.25397(W) AD( ) 2 NY0924 NAD 27 - 42 14 35.24375(N) 121 42 17.24863(W) AD( ) 2 NY0924 NGVD 29 (07/19/86) 1890.1 (m) 6201. (f) VERT ANG NY0924 NY0924.Superseded values are not recommended for survey control. NY0924.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. NY0924.See file dsdata.txt to determine how the superseded data were derived. NY0924 NY0924_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM0676677566(NAD 83) NY0924_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION NY0924_SETTING: 80 = SET IN A BOULDER NY0924_SP_SET: IN A DRILL HOLE IN ROCK LEDGE NY0924 NY0924 HISTORY - Date Condition Report By NY0924 HISTORY - 1948 MONUMENTED CGS NY0924 HISTORY - 1953 SEE DESCRIPTION CGS NY0924 HISTORY - 1967 SEE DESCRIPTION CGS NY0924 HISTORY - 1971 SEE DESCRIPTION NGS NY0924 NY0924 STATION DESCRIPTION NY0924 NY0924'DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (MTP) NY0924'THE STATION IS LOCATED ON THE SUMMIT OF A PROMINENT RIDGE, NY0924'KNOWN AS HOGBACK MOUNTAIN, 4 MILES NORTHEAST OF KLAMATH FALLS, NY0924'1-1/2 MILES EAST-SOUTHEAST OF THE MARINE BARRACKS, NOW KNOWN AS NY0924'THE OREGON VOCATIONAL SCHOOL. THE DISK IS SET IN A LARGE NY0924'BOULDER ON THE EAST SIDE OF THE RIDGE, 30.6 FEET NORTH OF THE NY0924'NORTHEAST LEG OF THE HOGBACK LOOK OUT TOWER, THE DISK IS NY0924'STAMPED HOGBACK 1948 AND PROJECTS 2 FEET. NY0924' NY0924'REFERENCE MARK NO. 1 IS SET IN A BURIED BOULDER, 14.8 FEET NY0924'EAST OF THE NORTHEAST LEG OF THE LOOK OUT TOWER, THE DISK IS NY0924'STAMPED HOGBACK NO 1 1948 AND FLUSH WITH THE GROUND. NY0924' NY0924'REFERENCE MARK NO. 2 IS SET IN A BURIED BOULDER, 27 FEET NORTH NY0924'OF THE NORTHEAST LEG OF THE LOOK OUT TOWER, THE DISK IS NY0924'STAMPED HOGBACK NO 2 1948 AND PROJECTS 6 INCHES. NY0924' NY0924'AZIMUTH MARK IS SET IN A LARGE BOULDER, ONE OF A PILE, 20 FEET NY0924'EAST OF THE WEST EDGE OF THE RIDGE, 100 YARDS NORTH OF WHERE NY0924'A TRACK ROAD MAKES A U-TURN AFTER REACHING THE TOP OF THE NY0924'RIDGE, THE DISK IS STAMPED HOGBACK 1948 AND PROJECTS 3 FEET. NY0924' NY0924'TO REACH FROM THE JUNCTION OF MAIN STREET AND EAST MAIN TAKE NY0924'ROAD EAST AND NORTH TO THE OREGON VOCATIONAL SCHOOL, TURN RIGHT NY0924'AT THE SIGN, RIFLE RANGE, GO AROUND THE SOUTH AND EAST SIDE OF THE NY0924'RANGE FOR 0.4 MILES TO CROSS ROADS, KEEP STRAIGHT AHEAD ALONG THE NY0924'WEST SIDE OF RIDGE FOR 0.4 MILE TO A Y IN THE ROAD, TURN RIGHT, NY0924'FOLLOW ROAD FOR 2 MILES TO LOOK OUT TOWER AND STATION AS NY0924'DESCRIBED. NY0924 NY0924 STATION RECOVERY (1953) NY0924 NY0924'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1953 (CTH) NY0924'THE STATION WAS RECOVERED AND ALL MARKS FOUND IN GOOD NY0924'CONDITION. THERE IS NO EVIDENCE OF ANY OF THE MARKS BEING NY0924'DISTURBED. THE OBSERVATIONS WERE MADE FROM A STEEL TOWER AND THE NY0924'REFERENCE MARKS PROJECTED TO SEE FROM THE TOP OF THE TOWER NY0924'AND THIS IS BELIEVED TO BE THE MAIN REASON FOR THE DISCREPANCY NY0924'BETWEEN THE 1948 AND 1953 OBSERVATIONS. DUE TO CHANGES IN THE NY0924'ROADS, A NEW TO REACH FOLLOWS. NY0924' NY0924'TO REACH THE STATION FROM THE OREGON TECHNICAL INSTITUTE, GO NY0924'EAST ON PELICAN ROAD FOR 0.2 MILE TO A FORK. TAKE THE RIGHT NY0924'FORK THROUGH A GATE AND GO 0.6 MILE TO A FORK. TAKE THE LEFT NY0924'FORK AROUND AND ABOVE RIFLE RANGE AND GO 0.4 MILE TO A FORK. TAKE NY0924'THE LEFT FORK AND GO 0.4 MILE TO A FORK. TAKE THE RIGHT FORK NY0924'AND GO 2.5 MILES TO THE TOP OF THE HILL, THE LOOKOUT TOWER, AND NY0924'THE STATION. NY0924 NY0924 STATION RECOVERY (1967) NY0924 NY0924'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1967 (CAA) NY0924'STATION MARK, REFERENCE MARKS 1, 2 AND THE AZIMUTH MARK WERE NY0924'RECOVERED AND FOUND IN GOOD CONDITION. A NEW AND COMPLETE NY0924'DESCRIPTION FOLLOWS-- NY0924' NY0924'THE STATION IS ON THE SUMMIT OF WHAT IS LOCALLY KNOWN AS HOGBACK NY0924'MOUNTAIN AND IS 4 MILES NORTHEAST OF KLAMATH FALLS AND 1-1/2 NY0924'MILES EAST-SOUTHEAST OF THE OREGON VOCATIONAL SCHOOL. NY0924' NY0924'TO REACH FROM THE COURT HOUSE IN KLAMATH FALLS, GO NORTHEAST NY0924'ON MAIN STREET FOR 0.45 MILE TO WHERE MAIN STREET BEARS TO THE NY0924'RIGHT, BEAR RIGHT AND CONTINUE EAST AND NORTHEAST ON MAIN STREET NY0924'FOR 0.55 MILE TO ALAMEDA AVENUE, (WHICH IS JUST AFTER CROSS NY0924'BRIDGE OVER A CANAL), CROSS ALAMEDA AVENUE AND GO NORTH ON NY0924'OLD FORT ROAD FOR 2.6 MILES TO THE ENTRANCE TO THE OREGON NY0924'VOCATIONAL SCHOOL ON THE RIGHT, CONTINUE NORTH ON THE ROAD NY0924'FOR 0.15 MILE TO A POWER SUB-STATION AND A NARROW, PAVED ROAD NY0924'RIGHT, TURN RIGHT AND GO EAST ON THE ROAD FOR 0.1 MILE TO A NY0924'LOCKED METAL GATE ON THE LEFT, (KEY OBTAINED FROM THE KFPA NY0924'RANGER STATION WHICH IS AT THE JUNCTION OF U.S. HIGHWAY 97 NY0924'AND STATE HIGHWAY 66 ABOUT 3 MILES SOUTHWEST OF KLAMATH NY0924'FALLS), PASS THROUGH THE GATE AND GO SOUTHERLY ON A DIRT ROAD NY0924'FOR 0.95 MILE TO A SIDE ROAD LEFT AND A TRACK ROAD ON THE NY0924'RIGHT, TURN SHARP LEFT AND GO UPHILL ON A BLADED ROAD FOR NY0924'0.4 MILE TO A FORK, KEEP RIGHT AND CONTINUE EAST AND SOUTH NY0924'ON THE ROAD FOR 1.8 MILES TO WHERE THE ROAD BENDS TO THE LEFT NY0924'JUST BEFORE REACHING THE LOOKOUT TOWER, (TO REACH THE NY0924'AZIMUTH MARK PACK NORTH FOR ABOUT 100 YARDS TO THE HIGHEST NY0924'POINT OF THE RIDGE AND THE AZIMUTH MARK.) CONTINUE NY0924'SOUTHERLY ON THE ROAD FOR 0.2 MILE TO THE LOOKOUT TOWER NY0924'AND THE STATION. NY0924' NY0924'STATION MARK IS A STANDARD DISK, STAMPED HOGBACK 1948, NY0924'CEMENTED IN A 3 X 5 FOOT BOULDER WHICH PROJECTS ABOUT 2-1/2 NY0924'FEET. IT IS 77.4 FEET EAST-SOUTHEAST OF A RADIO MAST AND 31 NY0924'FEET NORTH-NORTHEAST OF THE NORTHEAST LEG OF THE LOOKOUT TOWER. NY0924' NY0924'REFERENCE MARK 1 IS A STANDARD DISK, STAMPED HOGBACK NO 1 1948, NY0924'CEMENTED IN A DRILL HOLE IN THE TOP OF A 1 X 2 FOOT BOULDER NY0924'WHICH PROJECTS ABOUT 6 INCHES. IT IS 15 FEET EAST-NORTHEAST NY0924'OF THE NORTHEAST LEG OF THE LOOKOUT TOWER. NY0924' NY0924'REFERENCE MARK 2 IS A STANDARD DISK, STAMPED HOGBACK NO 2 1948, NY0924'CEMENTED IN A DRILL HOLE IN A 3 X 3 FOOT BOULDER WHICH PROJECTS NY0924'ABOUT 2 FEET. IT IS 27.6 FEET NORTHWEST OF THE NORTHEAST LEG NY0924'OF THE LOOKOUT TOWER AND 23.5 FEET NORTH OF THE NORTHWEST LEG NY0924'OF THE LOOKOUT TOWER. NY0924' NY0924'AZIMUTH MARK IS A STANDARD DISK, STAMPED HOGBACK 1948, CEMENTED NY0924'IN A DRILL HOLE IN THE TOP OF A 2 X 2-1/2 FOOT BOULDER WHICH NY0924'PROJECTS ABOUT 2 FEET ABOVE THE GROUND SURFACE. IT IS 8.5 FEET NY0924'SOUTHWEST OF A WOODEN WITNESS POST. NO MEASUREMENT BETWEEN NY0924'REFERENCE MARKS DUE TO TERRAIN AND BOULDERS ON LINE. NY0924' NY0924'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN NY0924'4 MILES NORTHEAST OF KLAMATH FALLS. NY0924 NY0924 STATION RECOVERY (1971) NY0924 NY0924'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1971 (WMJ) NY0924'THE STATION WAS RECOVERED WITH ALL MARKS IN GOOD NY0924'CONDITION. MEASUREMENTS TO MARKS COMPARED FAVORABLY WITH THE NY0924'1967 DATA. A NEW REFERENCE MARK THREE WAS ESTABLISHED AND OCCUPIED NY0924'AT THIS TIME. A COMPLETE DESCRIPTION FOLLOWS-- NY0924' NY0924'THE STATION IS LOCATED 3.5 MILES NORTHEAST OF THE CENTER OF NY0924'KLAMATH FALLS ON THE SUMMIT OF HOGBACK MOUNTAIN, THE FIRST NY0924'PROMINENT HILL EAST OF THE CITY, BARE ON ITS SOUTH WEST SLOPES AND NY0924'TIMBERED ON THE NORTH AND EAST SIDES ON LAND OF THE KLAMATH NY0924'FOREST PROTECTIVE ASSOCIATION. NY0924' NY0924'TO REACH THE STATION FROM THE POST OFFICE ON THE CORNER OF NY0924'7TH STREET AND WALNUT AVENUE IN KLAMATH FALLS GO NORTHWEST ON NY0924'7TH STREET 0.1 MILE TO KLAMATH AVENUE. TURN RIGHT AND GO EAST NY0924'0.5 MILE TO SPRING STREET. TURN LEFT ON SPRING STREET AND GO NY0924'NORTH 0.05 MILE TO MAIN STREET. TURN RIGHT AND GO EAST 0.45 MILE NY0924'TO ALAMEDA AVENUE. TURN LEFT THEN IMMEDIATELY RIGHT ON OLD FORT NY0924'ROAD AND CLIMB NORTHEAST 1.6 MILES TO OLD MARINE BARRACKS ON NY0924'THE LEFT. CONTINUE 0.15 MILE TO A FORK. TAKE THE RIGHT FORK NY0924'AND CLIMB EAST 0.15 MILE TO LOCKED CHAIN LINK GATE ON LEFT. NY0924'PASS THROUGH GATE AND CONTINUE SOUTHEAST ON BLADED ROAD 1.1 NY0924'MILES TO CROSSROAD. TURN SHARP LEFT AND GO NORTHEAST 100 FEET NY0924'UPHILL TO LOCKED PIPE GATE. PASS THROUGH AND CONTINUE NY0924'NORTHEAST, UPHILL, 0.4 MILE TO A FORK. TAKE THE RIGHT FORK NY0924'AND CONTINUE UPHILL 2.1 MILES TO A DIM TRACK ROAD ON THE NY0924'RIGHT LEADING TO THE AZIMUTH MARK. CONTINUE 0.1 MILE TO LOOKOUT NY0924'TOWER AND STATION. NY0924' NY0924'THE STATION MARK IS A STANDARD DISK STAMPED HOG BACK 1948 NY0924'CEMENTED IN A DRILL HOLE IN A PARTIALLY BURIED BOULDER 3 FEET NY0924'LONG AND 2 FEET WIDE PROJECTING 15 INCHES ABOVE GROUND. IT NY0924'IS 30 FEET NORTH OF THE NORTHWEST LEG OF THE LOOKOUT TOWER, 19 NY0924'FEET WEST OF THE BASE OF A RADIO MAST GUY WIRE ANCHOR, AND 3 FEET NY0924'SOUTH OF A METAL WITNESS POST. NY0924' NY0924'REFERENCE MARK NUMBER ONE IS A STANDARD DISK STAMPED HOG BACK NY0924'NO 1 1948 CEMENTED IN A DRILL HOLE IN A PARTIALLY BURIED BOULDER NY0924'18 INCHES LONG AND 12 INCHES WIDE PROJECTING 8 INCHES ABOVE NY0924'GROUND. IT IS 29.4 FEET SOUTH-SOUTHEAST OF THE METAL WITNESS NY0924'POST, 10 FEET SOUTHEAST OF THE BASE OF THE RADIO MAST GUY WIRE NY0924'ANCHOR AND ABOUT 1 FOOT LOWER THAN THE STATION MARK. NY0924' NY0924'REFERENCE MARK NUMBER TWO IS A STANDARD DISK STAMPED HOG BACK NO NY0924'2 1948 CEMENTED IN A DRILL HOLE IN A BURIED BOULDER 4 FEET LONG AND NY0924'3 FEET WIDE PROJECTING 10 INCHES ABOVE GROUND. IT IS 28 FEET NY0924'SOUTHWEST OF THE BASE OF THE EAST RADIO MAST GUY WIRE ANCHOR, NY0924'20 FEET SOUTH OF THE METAL WITNESS SIGN POST, 27 FEET WEST OF NY0924'THE NORTHWEST LEG OF THE LOOKOUT TOWER, AND ABOUT 10 INCHES NY0924'LOWER THAN THE STATION MARK. NY0924' NY0924'REFERENCE MARK NUMBER THREE IS A STANDARD DISK STAMPED HOGBACK NY0924'NO 3 1948 1971 CEMENTED IN A DRILL HOLE IN A BURIED BOULDER NY0924'26 INCHES LONG BY 12 INCHES WIDE FLUSH WITH THE SURFACE OF THE NY0924'GROUND. IT IS 44 FEET EAST-NORTHEAST OF THE NORTHEAST CORNER NY0924'OF A CEMENT BLOCK BUILDING, 40.5 FEET SOUTH OF THE METAL WITNESS NY0924'SIGN POST, 16 FEET WEST OF THE WEST LEG OF HOGBACK LOOKOUT NY0924'TOWER, AND ABOUT 1 FOOT LOWER THAN THE STATION MARK. NY0924' NY0924'THE AZIMUTH MARK IS A STANDARD DISK STAMPED HOGBACK 1948 NY0924'CEMENTED IN DRILL HOLE IN A BOULDER 24 INCHES LONG BY 18 INCHES NY0924'WIDE PROJECTING 2 INCHES ABOVE THE GROUND. IT IS ONE OF A NY0924'JUMBLE OF BOULDERS NEAR THE WEST EDGE OF THE SUMMIT RIDGE 20 NY0924'FEET EAST OF THE WEST EDGE OF THE RIDGE, AND 8.5 FEET WEST OF NY0924'A WOODEN 4 X 4 WITNESS POST. IT IS ABOUT A 100 YARD PACK NY0924'NORTHWEST OF THE ROAD TO THE STATION. NY0924' NY0924'KEYS TO THE LOCKED GATES MAY BE OBTAINED FROM THE KLAMATH NY0924'FOREST PROTECTIVE ASSOCIATION. NY0924' NY0924'HEIGHT OF LIGHT ABOVE STATION MARK 4 FEET. NY0924' NY0924'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN NY0924'3.5 MILES NORTHEAST OF KLAMATH FALLS.