Manuscripts
Reports
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Second Series Mining Reports not included in Arnold Exploration Company Reports
Manuscripts
Those numbered were included in an Arnold list of Petroleum Reports. Others were unnumbered. All reports are alphabetically arranged by States and Counties.
mssArnold
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Correspondence, general
Manuscripts
For thirty years Arnold was considered one of the leading petroleum engineers and consultants in the United States. His prolific correspondence includes letters from practically all the leading scientists throughout the United States in his and related fields. Many of the writers were close personal friends. Arnold filed various business papers, brief reports, legal papers, etc. with his correspondence for his own convenience and that of his office help. Whenever feasible, this order has been retained for the convenience of readers. Some correspondence pertaining to Mining and Petroleum companies and projects is filed with related papers in those series.
mssArnold
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Business papers
Manuscripts
These papers pertain only to the private business affairs Ralph and/or Winninette Stokes Arnold.
mssArnold
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Miscellaneous: Reports
Manuscripts
The collection contains letters, documents, including 190,000 reports, 1200 maps, 500 photographs, and 8200 pieces of printed material related to the life and career of Ralph Arnold. Subjects represented in the collection include: mining, petroleum, and seismology in the Western United States as well as Canada, Mexico, Cuba, and South America; political papers from 1914 to 1956, mostly concerning the campaign of Herbert Hoover for president; family and personal papers from 1836 to 1961 of Arnold and his father, Delos Arnold, containing source material on Pasadena and Southern California local history. The collection also contains Arnold's field books, including those made at Stanford University with the U.S. Geological Survey from 1900 to 1909.
mssArnold
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4. Reports
Manuscripts
The collection contains letters, documents, including 190,000 reports, 1200 maps, 500 photographs, and 8200 pieces of printed material related to the life and career of Ralph Arnold. Subjects represented in the collection include: mining, petroleum, and seismology in the Western United States as well as Canada, Mexico, Cuba, and South America; political papers from 1914 to 1956, mostly concerning the campaign of Herbert Hoover for president; family and personal papers from 1836 to 1961 of Arnold and his father, Delos Arnold, containing source material on Pasadena and Southern California local history. The collection also contains Arnold's field books, including those made at Stanford University with the U.S. Geological Survey from 1900 to 1909.
mssArnold
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(305) Reports:
Manuscripts
The collection contains letters, documents, including 190,000 reports, 1200 maps, 500 photographs, and 8200 pieces of printed material related to the life and career of Ralph Arnold. Subjects represented in the collection include: mining, petroleum, and seismology in the Western United States as well as Canada, Mexico, Cuba, and South America; political papers from 1914 to 1956, mostly concerning the campaign of Herbert Hoover for president; family and personal papers from 1836 to 1961 of Arnold and his father, Delos Arnold, containing source material on Pasadena and Southern California local history. The collection also contains Arnold's field books, including those made at Stanford University with the U.S. Geological Survey from 1900 to 1909.
mssArnold