A History of Short Words

From the New York Times Crossword Puzzle

ELEV

Tue, 16 Jan '24
About 5,280 ft., for Denver
Thu, 2 Jun '22
Death Valley's is -282.2 ft.
Sat, 21 Aug '21
K2 fig.
Wed, 11 Aug '21
20,310 ft., for Denali
Tue, 30 Mar '21
Abbr. on a scenic overlook sign