# NAPMD ASCII Format # 07 Aug 01 # # **************************************************************** # ** Please acknowledge the contributors and the North American ** # ** Plant Macrofossil Database when using these data. ** # **************************************************************** # # Site name: Ikpikpuk River Site 4 # Place: USA:Alaska # Latitude: 69.17.30N ( 69.291667) # Longitude: 154.42.30W (-154.708333) # Elevation(m): 55 # Sigle: IKPIK4 # Entity name: Site 4 # Contact person: Nelson, R.E. # # Radiocarbon dates: # Depth Thk Age SDup SDlo Lab no. Basis Material # 0.0 8710 140 140 I-13324 U Populus wood # # Chron name: NAPMD1 # Age model: snapshot # Age bounds: 8700 - 8720 # # Age basis: # Depth Thk Age AgeUp AgeLo RCode # 0.0 8710 8990 8430 C14 # # Publications: Nelson, R.E., and L.D. Carter. 1987. Paleoenvironmental # analysis of insects and extralimital Populus from an early # Holocene site on the Arctic Slope of Alaska, U.S.A. Arctic # and Alpine Research 19(3):230-241. # 1 1 1 populwoa A Populus wood presence 0, , 8710 -1.0