Name: Test Drilling and Data Collection in the Calaveras County Portion of the Eastern San Joaquin Groundwater Subbasin, California, December 2009?June 2011 (en Inglés)
Price: 22300.00 CLP
Availability: InStock
Author: U. S. Department of the Interior
ISBN: 9781497359796

portada Test Drilling and Data Collection in the Calaveras County Portion of the Eastern San Joaquin Groundwater Subbasin, California, December 2009?June 2011 (en Inglés)

Formato

Libro Físico

Editorial

Createspace Independent Publishing Platform

Autor

U. S. Department of the Interior

Idioma

Inglés

N° páginas

Encuadernación

Tapa Blanda

Dimensiones

27.9 x 21.6 x 0.2 cm

Peso

0.10 kg.

ISBN13

9781497359796

Categorías

Naturaleza y mundo natural

Test Drilling and Data Collection in the Calaveras County Portion of the Eastern San Joaquin Groundwater Subbasin, California, December 2009?June 2011 (en Inglés)

U. S. Department Of The Interior (Autor) · Createspace Independent Publishing Platform · Tapa Blanda

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Reseña del libro "Test Drilling and Data Collection in the Calaveras County Portion of the Eastern San Joaquin Groundwater Subbasin, California, December 2009?June 2011 (en Inglés)"

Two multiple-well monitoring sites were drilled in the Calaveras County portion of the Eastern San Joaquin Groundwater Subbasin, about 100 miles east of San Francisco, California, during December 2009 and January 2010. Site 3N/9E-12G1-4 was drilled to a depth of 503 feet below land surface (bls), and four wells were installed. Site 4N/9E-36A1-3 was drilled to a depth of 400 feet bls, and three wells were installed. Lithologic and geophysical data collected during test drilling indicated the presence of volcanic sands interspersed with lahar deposits that are characteristic of the Mehrten Formation to about 420 feet bls at site 12G1-4, and the presence of volcanic sands interspersed with clay that are characteristic of the Valley Springs Formation at site 36A1-3.