Gratton Nunatak [SEP] continent
Gratton Nunatak
Gratton Nunatak () is a bare, linear nunatak lying at the south side of the mouth of McCarthy Glacier, Antarctica, where the latter enters Reedy Glacier. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1960–64, and was named by the Advisory Committee on Antarctic Names for John W. Gratton, a construction mechanic at Byrd Station in 1962.
Jul 1890) and Adeline Dalton (15 Sep 1835–24 Jan 1925).
His siblings were: 
- Charles Benjamin "Ben" Dalton (1852–1936)
- Henry Coleman Dalton (1853–1920)
- Littleton Lee Dalton (1857–1942)
- Franklin "Frank" Dalton (1859–1887)
- Gratton Hanley "Grat" Dalton (1861–1892)
- William Marion "Bill" Dalton (1863–1894)
- Eva May Dalton (1867–1939)
- Robert Rennick "Bob" Dalton (1869–1892)
- Leona