Charles Mason's Journal from the Transit of Venus journey with Jeremiah Dixon on the H.M.S. Seahorse, January 8, 1761 to April 3,1762. Includes an account of the attack by the French Frigate Le' Grande. This document was "discovered" in 2012 by Jonathan Peacock, who recognized that the document was incorrectly attributed to an "unknown Seaman".
Cambridge Digital Library "Board of Longitude" documents pertaining to Charles Mason. Includes correspondence from Mason's wife Mary and their sons William and Doctor Issac requesting renumeration from Mason's work on improving Mayer's tables.
Cambridge Digital Library - Lunar Tables in Longitude and Latitude according to the Newtonian Laws of Gravity by Charles Mason. Includes an interesting note from Mason regarding his disappointment with the renumeration offered by the Board of Longitude.
Boundaries: How the Mason-Dixon Line Settled a Family Feud and Divided a Nation, A new book published by Sally M. Walker in 2014.
The Life and Times of Jeremiah Dixon: Surveyor of the Mason-Dixon Line [Kindle Edition], A new book published by Simon Webb in June 2014.
definitive book “Drawing the Line : How Mason and Dixon Surveyed the
Most Famous Border in America” is a must have for those interested
in the Mason and Dixon Line.
Robert D. Hutton’s documentation of many stones on the line. Bob’s
inventory also includes a link to “Topozone” maps showing the
location of the stones.
In 2002, the National Geographic Channel filmed a news story about
the Mason and Dixon Line. This article was subsequently published on
Scenes and roads from along the western end of the most-famous
border in the United States and related locations from southwestern
Pennsylvania, western Maryland and northern West Virginia. By Pete
A brief history of the Mason-Dixon survey line by John Mackenzie,
College of Agriculture & Natural Resources University of Delaware
Scanned images of the original field
notes from the 1901-03 Hodgkins Re-survey of the line.
Wikipedia reference to the Mason and Dixon Line
Delaware State Boundary Monument Database – contains descriptions
and Latitude/Longitude information for the stones on the Delaware &
Maryland boundary by selecting "Boundaries" from the "Framework Categories" menu.
Details from the map of the boundary survey between Maryland and
Pennsylvania by Charles Mason and Jeremiah Dixon, 1768. SPECIAL
COLLECTIONS (Maryland State Archives Map Collection), MSA SC
Delaware's State Boundaries, By William S. Schenck
Maryland-Pennsylvania Border Disputes – This guide describes maps,
manuscripts, and related printed documents useful for the study of
how Maryland’s boundaries were established.
Surveyors Historical Society
Maryland Museum and Parks
by Missy Thorseth