With Emphasis on the Civil War
Agenda and Biographical Information
Expeditionary Mapping 1838 - 1860
Presenter: Don Erickson, U.S. Corps of Topographical Engineers (Colorado)

In addition to public works in the eastern United States, the U S Corps of Topographical Engineers was responsible for mapping much of the western portion of the country and their maps and reports reflect a Humboldtian approach to the problem of expeditionary mapping. The presentation will discuss the geodetic instruments and techniques that were used as well as the training. Many of the topogs that served in the Corps would later go on to serve in important leadership positions during the Civil War. For a more thorough and detailed description of Mr. Erickson's program and activities, please go to www.topogs.org.
   Don Erickson is the owner of Image Exploration in Littleton, Colorado. His firm specializes in photogeologic-geomorphic mapping, remote sensing interpretations, and field mapping, primarily for petroleum exploration. In addition to the United States, he has been involved in mapping in areas as varied as Myanmar, Thailand, Oman, Iran, Paraguay, Ethiopia, Guatemala, Mexico, Jordan, Yemen, and many areas in China. He is a member of Sigma Gamma Epsilon, an Honorary Earth Science Fraternity. He has published many articles dealing with the earth sciences and made numerous presentations to national and international conferences. He is also a Principal of Bent, St. Vrain & Co., a non-profit Corporation for historical education. The Corporation studies the material culture of the 1830- 1870ís period as it pertains to western expansion and the Santa Fe trade and publishes books related to historical interpretation. He has served for several years as Bureau Chief for the U.S. Corps of Topographical Engineers, a living history group portraying the history and techniques of the Corps from its inception through the Civil War.
Mapping with Old Rosey (Union General William Rosecrans)
Presenter: Don Teter, LS a/k/a Porte Crayon (West Virginia)

The Civil War career of Union General William Rosecrans began at Rich Mountain (West) Virginia on July 11, 1861, when he led a brigade of 1917 men around mountain trails to defeat a 300 man force behind the Confederate Camp Garnett fortification, forcing the 1000 rebel garrison to flee or surrender.
On the Union Side, mapper Orlando Poe worked for McClellan's army, while at Rich Mountain. In 1864 he accompanied William Tecumseh Sherman on the march to the sea. Poe later designed the "Poe style" lighthouse commonly used around the Great Lakes. Famed topographer Jedediah Hotchkiss saw his first action on behalf of the Conferacy at Rich Mountain.
Rosecran's commander was General George McClellan, who did little to contribute to the victory but was quick to telegraph Washington and claim credit for a smashing victory "against superior forces".
At the other end of Rosey's career, his army suffered a crippling defeat at Chickamauga in September, 1863. Ambrose Bierce had been along during the Rich Mountain campaign and was with Rosey's army again at Chickamauga. Bierce took a bullet to the head in June of 1864 at Kennesaw Mountain, Georgia but recovered and had a decent literary career authoring many strangely disturbing tales, including one whose subject is Chickamauga.
We will talk briefly about mapping the Rich Mountain and Chickamauga campaigns for both sides in the conflict. Then we will take a look at the interesting careers of some of the mappers involved.
   Don Teter is a Professional Surveyor in the state of West Virginia. He graduated from Davis and Elkins College with a BA in History and Political Science and has been a registered surveyor since 1982. During the late 1970's, he began extensive research on pre-Civil War turnpikes in (West) Virginia and has published numerous articles and continues to do research on that subject. He is a former member of the Board of Directors of the Rich Mountain Battlefield Foundation and has served as a surveying contractor and consultant for that organization for several years. He also serves as a consultant to Historic Beverly Preservation and the Staunton-Parkersburg Turnpike Alliance. He is past-President of the West Virginia Society of Professional Surveyors, is a member of the National Society of Professional Surveyors as well as the National Museum of Surveying. He currently serves on the Board of Directors for the Surveyors Historical Society.
In 1977 he published Goin' up Gandy, a history of Dry Fork area of Randolph and Tucker Counties, West Virginia. The initial press run of 2500 copies has long been sold out, with a second edition currently in the works. In the early 1070's, he worked briefly as a reporter and writer for the weekly Allegheny Journal and during the late 1970's published numerous local history articles in the weekly Tygart Valley Press.
For the past 28 years he has been surveying mostly rural properties, with a scattering of town and suburban surveys, occasional topographic work, some control surveys for aerial photography and minor construction surveying.
Don has served in the past as liaison between the West Virginia Society of Professional Surveyors and the West Virginia Board of Professional Surveyors (licensing and regulatory board), has participated in several exam-writing and review workshops, is a member of the licensing Board's Complaint Review Committee and is a part time investigator for the Board.
For nearly 10 years, Don has been presenting continuing education seminars for surveyors on subjects including Surveying and Map-making in the American Civil War; Adjoiner Relations for Land Surveyors; West Virginia Minimum Standards for Surveyors; Ethics for Surveyors; Boundary Research; Reports of Survey; Boundaries Along Roads and Streams; and Boundary Basics and Common Sense for Surveyors. While most of his presentations have been in West Virginia, he has also presented material in Virginia, New Jersey, Maryland and Ohio. His presentations have been before title insurance professionals and title attorneys. On three occasions he has been called on the present a full day program to the West Virginia Division of Highways as continuing education seminar requirements for surveyors.
Jed Hotchkiss, Stonewall Jackson's Topographical Engineer
Presenter: Evan Castle, LS, Co B, 3rd Regt, CS Engineers (Georgia)

Mr. Castle will cover the life and works of Jedediah Hotchkiss, perhaps the most famous mapper to come out of the War Between the States (or War of Northern Aggression, according to Mr. Castle). Mr. Hotchkiss became invaluable as a cartographer during Jackson's valley campaign by preparing an enormous "Map of the Valley". The very map proved to be a more important factor in a large number of victories in a short period of time than any number of men or materials. (Note: a full size color reproduction of the map will be available at the Rendezvous Swap Meet). The map alone is said to have prevented the taking of Richmond in 1862 by superior union forces. His many maps would repeat their utility in the brilliance of Jackson's tactics including his victory at Harper's Ferry. Hotchkiss was present at most of the major battles and campaigns in the east during the conflict. The quality of his maps continue to amaze.
   Evan Castle was raised in Nuremburg, Germany and Jacksonville, Florida. In 1967, he attended the U.S. Army Topographic Surveying School at Fort Belvoir, Virginia. He has been involved in surveying for 43 years being a Registered Surveyor for the last 22 years. Mr. Castle is the owner of Confederate Surveying Associates, Inc. In 2003, Mr. Castle founded Co B, 3rd Regt Confederate Engineers. The Confederate Engineers are a living history group performing reenactments and educating the public on mapping and engineering tools and techniques used during the War Between the States. He has completed a book Surveying and Mapping During the Civil War and is currently seeking a publisher. His hobbies include Civil War engineering reenacting as well as riding Harleys and restoring old Mopars. For a more thorough and detailed description of Mr. Castles activities, please go to: www.confederateengineers.org
The Union Mapmakers and Mapping During the Civil War
Presenters: Robert J. Mergel, P.S., P.E. and Donald K. Tackett, P.S. (Ohio)

This presentation will review the war service and mapmaking of a selected group of Union Topographical Engineers through their personal accounts, observations by colleagues and examples of their work. This group includes well known Topogs who graduated from the United State Military Academy such as Gouverneur K. Warren and George Gordon Meade and lesser know Topogs such as Orlando M. Poe, Nathaniel Milcher and George A. Custer. Also, the contribution of the Coast Survey Topogs such as Frederic Dorr and John Donn will be mentioned. Included will be a review of the variety of field techniques used to obtain data for mapping and a discussion of the types of maps available at the outset of the war. Lastly, this presentation will give an overview of the equipment and techniques to be employed in the afternoon field exercises by our group. Special emphasis will be placed in historical pictures and current reenactment images to illustrate the aforementioned techniques.
   Robert J. Mergel is currently a professor and coordinator of Civil Engineering Technology at Columbus State Community College in Columbus, Ohio. Technology duties include review of the content of all engineering and surveying program content with private and public sector representatives, scheduling classes and recruiting adjunct instructors. He is also a lecturer (adjunct faculty) at the Ohio State University teaching undergraduate geodetic sciences courses. Bob is registered as both a Professional Surveyor and Professional Engineer in the State of Ohio. He holds a Bachelor of Science degree in Civil Engineering (1990) and a Master of Science degree in Geodetic Science and Surveying from Ohio State University (2002). Prior to joining the faculty of Columbus State Community College (1981), Bob was employed by Richland Engineering Limited, Alden E. Stilson and Associates, Tri-City Engineering and John David Jones and Associates.
He is a member of the Ohio Society of Professional Engineers, the National Society of Professional Surveyors, Surveyors Historical Society, and the Father Hohman Council of the Knights of Columbus. His professional activities include Ohio Professional Exam Committee- State of Ohio Board of Registration for Engineers and Surveyors and the EPS Committee National Council of Examiners for Engineering and Surveyors.
Bob and Nancy, his wife of nearly 35 years, are residents of Reynoldsberg, Ohio. Their two children are Christopher of Pickerington, Ohio and Barbara of Reynoldsburg, Ohio. He is the proud grandparent of Dylan Mergel.
Bob became involved in Civil War Reenacting in 2003 and with the assistance of Donald K. Tackett and Paul Walsh formed a Topographical Engineer Unit in 2007. He is also a member of the 5th Kentucky Infantry Company B and the Rosecrans Headquarters Unit.
   Donald K. Tackett, P.S. has been in the surveying and engineering profession for over 30 years and has been with the Franklin County Engineers Office since 1998 as the Survey Department Manager. Don is a graduate of from C.T.I. (aka) Columbus State Community College (1975) and has been a registered Professional Surveyor in the State of Ohio since 1990. Prior to joining the Franklin County Engineers Office, Don was employed in private practice by three consulting engineering and surveying firms. He has been an adjunct faculty member at Columbus State Community College since 1991. Don is a member of the Professional Land Surveyors of Ohio (PLSO) since 1988. Don has served as President of the Central Ohio Chapter of PLSO and remains an active member.

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