Big Round Top

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It has been suggested that Big Round Top Observation Tower Foundation Ruin be merged into this article or section. (Discuss) Proposed since January 2012.
Coordinates: 39°47′21.44″N 77°14′12.53″W / 39.7892889°N 77.2368139°W / 39.7892889; -77.2368139
Big Round Top
Round Top[1]:a — Great Round Top[1]:a

Round Top Mountain[2] — Sugar Loaf Hill[2]
landform: Top (Hill)
1863 O'Sullivan image of Big Round Top[specify]
beyond Little Round Top breastworks
Country United States
State Pennsylvania
County Adams
NPS unit Gettysburg National Military Park
Part of outcrop of Gettysburg sill[3]:5
Saddle point NE slope @ Little Round Top
 - elevation 582.7 ft (177.6 m) [4]
 - coordinates 39°47′21.44″N 77°14′12.53″W / 39.7892889°N 77.2368139°W / 39.7892889; -77.2368139
Summit near historic tower ruins
 - elevation 793.6 ft (241.9 m) [4]
 - coordinates 39°47′10.73″N 77°14′21.15″W / 39.7863139°N 77.2392083°W / 39.7863139; -77.2392083
Lowest point base of Big Round Top spur [4]
 - location W of summit, N of stone bridge [5]
 - elevation 495 ft (150.9 m)
Biome Northern Piedmont ecoregion,
Northeastern forest
Geology Pennsylvania Piedmont
physiographic region, Gettysburg-Newark Lowlands
(York Haven Diabase)[6]
Orogeny 200 mya (Tr-J boundary)
Management National Park Service
Owner Federal government of the United States
Access parking area: S Confederate Av
summit: paved foot trail
Nearest
community		 Round Top, Pennsylvania
Website: Gettysburg Scenic Vistas (nps.gov)
Main articles: Geography of Pennsylvania and Gettysburg Battlefield

Big Round Top is a boulder-strewn hill notable as the topographic high point[7]:3 of the Gettysburg Battlefield and for 1863 American Civil War engagements for which Medals of Honor were awarded. In addition to battle monuments, an historic postbellum structure on the uninhabited hill is the Big Round Top Observation Tower Foundation Ruin.

July 3 (left) & July 2, (right), positions & movements:
•Left: Well's charge (not depicted) crossed Plum Run and turned to pass behind the Confederates (red) on the spur of Big Round Top.
•Right: After the "20th ME" had 'refused the line' (4th & 5th TX were temporarily under Law).[1] Earlier on July 2 from Big Round Top, 2 of Law 's CSA (red) regiments assaulted the 20th ME.

Contents

[edit] Geography

Big Round Top is the southern peak of the Gettysburg Battlefield and is within the area encompassed by a drainage depression (southeast, south), Plum Run (west, north), and the Crawford Rd/Wright Av roadway (north, northeast). In addition to Little Round Top, adjacent battlefield locations are South Cavalry Field/Slyder Field (west), Devil's Den (northwest) and the Valley of Death/Slaughter Pen (north).[8] The hill is the highest point of an Adams County dendritic ridge which Plum Run divides at Big Round Top (the drainage divide continues to the east). In addition to Little Round Top (650), nearby heights are Warfield Ridge (west), hills of ~580 ft (southwest) and ~540 ft (northwest),[specify] and Houck Ridge (north-northwest); while Carr Hill (876 ft) is the nearest higher hill.[9]

[edit] History

The igneous hill was formed 200 million years ago when the "outcrop of the Gettysburg sill" intruded through the Triassic "Gettysburg plain".[3]:13 Subsequent periglacial frost wedging during the Pleistocene formed the hill's extensive boulders.[7] Early human activity included Indigenous people clearing an area[10]:d on the slope of Big Round Top prior to the 1736 British purchase of the region.

[edit] Civil War

Privately owned[who?] during the Battle of Gettysburg, Big Round Top's slope, timber, and boulders precluded placement of artillery on the summit. At various times during the 1863 battle, positions on Big Round Top formed the left flank of the Union fishhook defense.

Battle of Gettysburg, second day
On July 2 when "it was growing dark", Big "Round Top was still in [the] possession of the [Confederate] skirmishers, who were firing upon our men. It was important to hold this hill, as…it commanded…our line. I directed Colonel Fisher to occupy it at once. He immediately detached [3 regiments], who advanced promptly, driving the enemy before them" (Crawford's report).[1]:a After 10 pm, Chamberlain's 20th Maine Volunteer Infantry Regiment occupied a Big Round Top summit position (the monument is on the north slope).[3] In 1893, Chamberlain was awarded a Medal of Honor for both "carrying the advance position on the Great Round Top" and "holding his position on the Little Round Top against repeated assaults" earlier in the day.
Battle of Gettysburg, third day
The July 3 Wells cavalry charge advanced from the west to beyond the Big Round Top spur and engaged the rear of Law's Alabama regiments[11] to carry the hill[12] and earn Wells' 1891 Medal of Honor.[13]

By September 1863, David McConaughy had begun to acquire a portion of Big Round Top for battlefield preservation.[14] The Elon J. Farnsworth monument was erected before 1896 at the base of Big Round Top,[15] and statues of William Wells (1931) and John Michael Tobin are also on the hill.

[edit] Postbellum

Kilpatrick Avenue[10]:c had been completed at the west base of Big Round Top by 1895[16] when the gravel South Confederate Avenue was constructed across the northwest slope.[17] In 1903, Wright Av was constructed along the northeast slope,[17] and in 1937, S Confederate Av and the Plum Run stone bridge were rebuilt [4] for the 75th battle anniversary and reunion. In 1940, Seminary Ridge CCC workers rerouted the stone trail to the Big Round Top summit,[1]:b and Harry Truman visited Big Round Top in 1946.[5] In 1964, the Big Round Top Nature Trail was created around the hill and provided access to the Devil's Kitchen.[6] The 1895 Big Round Top Observation Tower was dismantled in 1968 and the foundation was named an historic ruin in 2004.

External images
monuments
bas-relief of "Farnsworth's Charge"[verification needed]
view from 300' National Tower

[edit] References

  1. ^ a b c d "About this Newspaper: Star and Sentinel". Library of Congress: Chronicling America. http://chroniclingamerica.loc.gov/lccn/sn83032076/. Retrieved 2010-02-22. 
    a. "The Pennsylvania Reserves at Gettysburg: Gen. Crawford's Contribution" (Google News). September 21, 1886. http://news.google.com/newspapers?id=5FcmAAAAIBAJ&sjid=af8FAAAAIBAJ&pg=4346,3052655&dq=rocky-ridge+devil's-den&hl=en. Retrieved 2010-02-21.  "a deep, rocky depression separated it [Little Round Top] from the Great Round Top beyond. Into this depression Laws' brigade of Alabamians, supported by Robertson's Texans, had forced themselves and were advancing to the possession of Little Round Top."
    b. "New Stone Walk Helps Climb on Big Round Top" (Google News). Jul 13, 1940. http://news.google.com/newspapers?id=CIslAAAAIBAJ&sjid=wPIFAAAAIBAJ&pg=1096,5390501&dq=round-top+tower&hl=en. Retrieved 2010-02-19. 
  2. ^ Norton, Lemuel B (September 18, 1863). "Report of…Chief Signal Officer…Gettysburg Campaign". http://www.civilwarhome.com/nortongettysburgor.htm. Retrieved 2010-02-20. 
  3. ^ a b Brown, Andrew (1962). "GEOLOGY and the Gettysburg Campaign". Pennsylvania: Bureau of Topographic and Geologic Survey. http://www.dcnr.state.pa.us/topogeo/education/es5/es5.pdf. Retrieved 2010-02-19. 
  4. ^ a b c "USGS Elevation Web Service Query". United States Geological Survey. http://gisdata.usgs.gov/xmlwebservices2/elevation_service.asmx?op=getElevation. Retrieved 2010-02-19.  793.559 ft (summit), 582.655 (saddle point), 501.2 (Plum Run @ Crawford Rd, 494.6875 (base of spur), 461 (stone bridge), 455.97 (Plum run @GNMP border)
  5. ^ "Google terrain map". http://maps.google.com/maps?hl=en&q=39.786346,-77.244444&ie=UTF8&ll=39.788049,-77.24134&spn=0.019291,0.045276&t=p&z=15. Retrieved 2010-03-20.  (The Big Round Top spur is visible via 40 ft contour lines.)
  6. ^ Smith II, R.C. & Keen, R. C (2004). "Appendix A: Regional Rifts and the Battle of Gettysburg". Pennsylvania Geological Survey-->. p. 3. http://www.dcnr.state.pa.us/topogeo/pub/openfile/pdfs/of06_02_p096_105.pdf. Retrieved 2010-02-21.  (see also [ …Gettysburg…: How Mesozoic … Impacted American History.)
  7. ^ a b "Geologic Resources Inventory Report" (pdf). Denver, Colorado: Natural Resource Program Center (NPS). 2009. http://www.nature.nps.gov/Geology/inventory/publications/reports/gett-eise_gri_rpt_body_print.pdf. Retrieved 2010-02-19. 
  8. ^ "Scenic Vistas". Nature & Science. National Park Service. http://www.nps.gov/archive/gett/pphtml/subenvironmentalfactors25.html. Retrieved 2010-02-19. 
  9. ^ "Points of interest near…Round Top". Mountain Peaks and Summit Names. MountainPeaks.net. http://www.mountainpeaks.net/index.php?action=feature&type=%25&feature_name=big+round+top. Retrieved 2010-03-22. 
  10. ^ a b "Gettysburg Times Archives". Gettysburg Times. http://www.gettysburgtimes.com/archives/. Retrieved 2010-02-20. [dead link]
    c. "Historic and Other Important Landmarks" (Google News Archive). Visitor's Supplement (p. 22). May 20, 1962. http://news.google.com/newspapers?id=hbolAAAAIBAJ&sjid=2_IFAAAAIBAJ&pg=5083,2208678&dq=tower+round-top&hl=en. Retrieved 2010-02-21. 
    d. "Adams County Alumni Club of Gettysburg College meets" (Google News Archive). November 18, 1992. http://news.google.com/newspapers?id=NZEkAAAAIBAJ&sjid=XP0FAAAAIBAJ&pg=6951,1756610&dq=big-round-top+indian&hl=en. Retrieved 2010-03-20. 
  11. ^ Wert, Jeffry D (2002). Gettysburg, Day Three. pp. 279, 390. http://books.google.com/books?id=wsu3YM0wTxEC&pg=RA1-PA279. Retrieved 2010-02-22. 
  12. ^ "1st Vermont Cavalry Regiment". WebCitation.org. http://www.gettysburg.stonesentinels.com/VT/1VtCav.php. Retrieved 2010-03-20. "Wells's companies had cleared Bushman's Woods, to the right or east of Parson's battalion, knifed through the skirmish line of Alabamians to the left of the Texans, and entered the meadow of the Slyder farm, then turned east and followed a low stone wall to the spur of Big Round Top. …when the troopers reached the spur, the brigadier [Farnsworth] led them north through the woods behind the Alabama regiments deployed at the foot of the height. Many Confederates faced to the rear and shot at the passing column. "It was a swift,…enfilading fire." Wells's battalion broke through the treeline into fields of Devil's Den and Houck's Ridge. … Gunners in a section of Bachman's battery near Emmitsburg Road wheeled to the left, unleashing their fire on the horsemen in the open ground. …the mounted column splintered into three groups. … The final group, led by…Wells, retraced their route toward the spur of Big Round Top. … As the Federals re-emerged into a field, the 15th Alabama came rushing into a line across the cavalrymen's front. On the left of the 15th [was] the 46th Alabama… A scissors of musketry cut into the ranks of the New Englanders. Farnsworth…toppled to the ground" 
  13. ^ Medal of Honor record of William Wells, Group 94 (W-199-VS-1869), NARA, Washington D.C.  (cited by Cross, pp. 44,60)[verification needed]
  14. ^ Davis, William C. (1995--Fifth Printing) [1983]. Gettysburg: The Story Behind the Scenery. pp. 10, 12. ISBN 0-916122-89-1. LCCN 83-80606. 
  15. ^ "Battlefield Avenues" (Google News). The Battlefield. Gettysburg Compiler. Sep 3, 1895. http://news.google.com/newspapers?id=2f0yAAAAIBAJ&sjid=jAAGAAAAIBAJ&pg=2929,7204928&dq=kilpatrick-avenue+gettysburg&hl=en. Retrieved 2010-02-19. 
  16. ^ "classified structure numbers RD346-WA01". List of Classified Structures. National Park Service. http://www.hscl.cr.nps.gov/insidenps/summary.asp?PARK=GETT&STATE=&STRUCTURE=Slyder%20Barn&SORT=&PAGE=48. Retrieved 2010-02-21. 
  17. ^ a b "The Gettysburg Commission Reports" (transcribed versions: 1893-1921, 1927-1933). Gettysburg Discussion Group. http://www.gdg.org/Research/Authored%20Items/BCRReports/rprthm.html. Retrieved 2010-02-04.  (original formats: 1895, 1900, 1909, 1912, 1918)
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