Studied from its original page

Concentric-occupation symbol with over/under chronology

Explanation of Military History Series (Paullin's legend)

Made by: Charles O. Paullin (Carnegie Institution of Washington and American Geographical Society of New York)
Year: 1932
Field: Thematic maps
Kind: Map
Room: Lives and events

Not shown here: its rights are not cleared

See the original page — Brinton 1939, printed p. 204 (archive leaf n209)

Fails both tests: 1939 is after 1930 (A) and the page is Brinton's book, tied to Brinton who died in 1957 (B would run to 2027).

The data it needs

place position of an event · geographic
event_kind symbol · categorical
side colour · categorical
date ring order at a place; occlusion order at a crossing · temporal
route polyline of a movement · geographic
movement_kind line type (major or minor, advance or retirement) · categorical

Built in 6 steps, as its maker described

introduction p. xiii (military history, Plates 160-165); per the contents list, Civil War campaigns Plate 163A-C and 'Conquest of the South, 1861-1865' Plate 163D; plates not opened

Skeleton drawing, not the original plate

8 other forms share this skeleton

Source

Paullin 1932, Atlas of the Historical Geography of the United States

Attribution checked against the source

Searches, not citations

archive.org commons.wikimedia.org scholar.google.com