The California-Washington Arc of Primary Triangulation

The California-Washington Arc of Primary Triangulation

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1912 edition. Excerpt: ...meters in azimuth 165 39', and the third 6.89 meters in azimuth 248 38'. Kent (Tehama County, Cal., O. B. F., 1904).--On a high ridge about 8 or 10 miles east by south from Mount Linn and about 18 miles by road in a northwesterly direction from Paskenta, on a peak locally known as Bald Rock, on a ledge on the east side of the summit and about 8 or 9 feet lower than its highest part. Four or five hundred feet to the westward of the station and about 50 or 60 feet lower is a large, prominent, rocky knob. The station is marked according to note 1.' The reference-marks are described in note 4.' The first one is in a large rock distant 5.01 meters in azimuth 212 40', the second in a fiat ledge distant 70.19 meters in azimuth 285 50', and the third on the largest part of the ledge distant 47.72 meters in azimuth 5 17'. Lyons (Tehama County, Cal., O. B. F., 1904).--About 5 miles east of Lyonsville post office on a ridge known locally as Bald Hill, about 300 yards from the summit of the ridge on the shoulder extending toward Lyonsville and in the middle of a large group of bowlders. A lone fir tree stands about 50 meters south by east from the station. The station is marked according to note 1.' Two reference marks described in note 4, ' are in large rocks and at the following distances and azimuths from the station: 29.69 meters, 126 59'; and 20.22 meters, 332 22'. Bally (Shasta County, Cal., O. B. F., 1904).--On the northernmost of the two main peaks on the summit of Bally Mountain, a prominent and well--known mountain about 15 miles by road west of Redding. The station mark, described in note 1, ' is in the top of a-rock on the north side of the most prominent group of more

Product details

  • Paperback
  • 189 x 246 x 2mm | 82g
  • United States
  • English
  • black & white illustrations
  • 1236875257
  • 9781236875259