What is "marked tree"

Population (2000): 2800
Housing Units (2000): 1234
Land area (2000): 2.316341 sq. miles (5.999296 sq. km)
Water area (2000): 0.023376 sq. miles (0.060544 sq. km)
Total area (2000): 2.339717 sq. miles (6.059840 sq. km)
FIPS code: 44210
Located within: Arkansas (AR), FIPS 05
Location: 35.530035 N, 90.417559 W
ZIP Codes (1990): 72365
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: