Grenville M. Dodge
Grenville Mellen Dodge (April 12, 1831 – January 3, 1916) was a Union Army officer on the frontier and a pioneering figure in military intelligence during the Civil War, who served as Ulysses S. Grant's intelligence chief in the Western Theater.
Works (12)

The battle of Atlanta
1911

Personal recollections of President Abraham Lincoln, General Ulysses S. Grant and General William T. Sherman
1914

The battle of Atlanta and other campaigns, addresses, etc
1910

Biographical sketch of James Bridger
1904

The great West
1958

Abraham Lincoln

Fiftieth anniversary, Fourth Iowa Veteran Infantry, Dodge's Second Iowa Battery, Dodge's Band

How we built the Union Pacific Railway
1910

Personal recollections of Lincoln
1911

The Indian campaign of winter of 1864-65
1907

Address to Army associations and miscellaneous papers relating to Civil and Spanish wars
1904

How we built the Union Pacific railway