U.S. DEPARTMENT OF THE INTERIORBUREAU OF LAND MANAGEMENT
Cadastral.com - Privately supported reference providing information of interest to the land surveyor (also known as the Cadastral Surveyor) involved in the preservation and retracement of the Public Land Survey System (PLSS) in the United States.
Code of Federal Regulations- The Code of Federal Regulations (CFR) is a codification of the general and permanent rules published in the Federal Register by the Executive departments and agencies of the Federal Government.
Corner Identification and Markings- Section 10 diagram, elongated section, and figures 64-68 from the Manual of Surveying Instructions(pdf format).
Glossaries of BLM Surveying and Mapping Terms.- Searchable pdf versions of 1980 booklet. Individual alphabetical selections available on line, or download the entire publication.
Manual of Surveying Instructions, 1973- Two versions are available
History of the Rectangular Survey System (Please note this is a large file approx 46mb). Searchable pdf version of the document prepared by C.A. White.
Map of BIA Offices - American Indian Reservations and BIA Regional, Agency and Field Offices
Mineral Survey Roster - Current Roster of U.S. Mineral Surveyors.
Mineral Survey Procedures Guide, 1980 - Searchable pdf files of guide prepared by John V. Meldrum, U.S. Mineral Surveyor, under the direction of the Cadastral and Mapping Training Staff.
Principal Meridians and Base Lines- Map showing principal meridians and base lines governing the United States Public Land Surveys.
Public Lands Surveying Casebook- Selected cases from the training staff's 1975 publicaton(pdf format).
Rocky Mountain Tree-Ring Research - A nonprofit research organization founded in 1997 by Peter M. Brown. Expertise in provided in tree-ring collection, dating and analysis.
Restoration of Lost and Obliterated Corners- The pamphlet published as a guide for surveyors(pdf format).
Incorporating Standards for the Positional Accuracy of Cadastral Surveys When Using Global Navigation Satellite Systems- (pdf format, 8k and 73k) - April 1, 2010 and February 23, 2009 - Guidance to the cadastral surveyor and other surveyors in the use of Global Navigation Satellite Systems (GNSS) to perform official surveys of Federal interest lands.
Standards and Guidelines for Cadastral Surveys Using Global Positioning System Methods- (pdf format, 181k) - May 9, 2001, version 1.0 - Guidance to the Government cadastral surveyor and other land surveyors in the use of Global Positioning System (GPS) technology to perform Public Land Survey System (PLSS) surveys of the Public Lands of the United States of America.
Thomas Legislative Guide- Legislative Information on the Internet
Surveying Our Public Lands 1988- General information pamphlet(pdf format).
Time- Official U.S. Time. Java animated.