# NAPMD ASCII Format # 07 Aug 01 # # **************************************************************** # ** Please acknowledge the contributors and the North American ** # ** Plant Macrofossil Database when using these data. ** # **************************************************************** # # Site name: South Fork Big Nemaha River # Place: USA:Nebraska # Latitude: 40.01.15N ( 40.020833) # Longitude: 96.01.15W ( -96.020833) # Elevation(m): 94 # Sigle: NEMAOB1B # Entity name: Old Bridge 1 Base # Contact person: Baker, R.G. # # Radiocarbon dates: # Depth Thk Age SDup SDlo Lab no. Basis Material # 0.0 0 8890 70 70 ISGS-3426 U wood # 0.0 0 8890 70 70 ISGS-3427 U wood # # Chron name: NAPMD 1 # Age model: snapshot # Age bounds: 8880 - 8900 # # Age basis: # Depth Thk Age AgeUp AgeLo RCode # 0.0 0 8890 9030 8750 C14 # # Publications: Baker, R.G. 2000. Holocene environments reconstructed from # plant macrofossils in stream deposits from southeastern # Nebraska, USA. Holocene 10(3):357-365. # # Baker, R.G., G.G. Fredlund, R.D. Mandel, and E.A. Bettis # III. 2000. Holocene enviroments of the central Great Plains: # multi-proxy evidence from alluvial sequences, southeastern # Nebraska. Quaternary International 67:75-88. # 48 1 1 acenesew A Acer negundo seed concentration 2 carovwow A Carya ovata wood concentration 3 cfcjulrw A cf. Juglans leaf scar concentration 4 jugctlrw A Juglans cinerea-type leaf scar concentration 5 junvitww A Juniperus virginiana twig concentration 6 salixwow A Salix wood concentration 7 samctsew A Sambucus canadensis-type seed concentration 8 ulmambuw A Ulmus americana bud concentration 9 ulmambsw A Ulmus americana bud scale concentration 10 ulmamsew A Ulmus americana seed concentration 11 ulmamwow A Ulmus americana wood concentration 12 acavtsew B Acalypha virginica-type seed concentration 13 amarasew B Amaranthus seed concentration 14 amocaclw B Amorpha canescens calyx concentration 15 amocapow B Amorpha canescens pod concentration 16 andgeffw B Andropogon gerardii flower fragment concentration 17 andocsew B Androsace occidentalis seed concentration 18 bidcefrw B Bidens cernua fruit concentration 19 bidftfrw B Bidens frondosa-type fruit concentration 20 chcnuphw B Chamaesyce cf. nutans perianth concentration 21 chamtphw B Chamaesyce maculata-type perianth concentration 22 chamtsew B Chamaesyce maculata-type seed concentration 23 chanusew B Chamaesyce nutans seed concentration 24 chenofrw B Chenopodium fruit concentration 25 echmtffw B Echinochloa muricata-type flower fragment concentration 26 monfisew B Monarda fistulosa seed concentration 27 oxastsew B Oxalis stricta-type seed concentration 28 panctffw B Panicum capillare-type flower fragment concentration 29 phylasew B Phyla lanceolata seed concentration 30 polvesew B Polygala verticillata seed concentration 31 porolsew B Portulaca oleracea seed concentration 32 schssffw B Schizachyrium scoparium s. scoparium flower fragment concen 33 silansew B Silene antirrhina seed concentration 34 sornuffw B Sorghastrum nutans flower fragment concentration 35 verhasew B Verbena hastata seed concentration 36 verursew B Verbena urticifolia seed concentration 37 boecyfrw Q Boehmeria cylindrica fruit concentration 38 carexfrw Q Carex fruit concentration 39 cfcarsew Q cf. Ammannia robusta seed concentration 40 cfcqulfw Q cf. Quercus subg. Leucobalanus leaf fragment concentration 41 cicmafrw Q Cicuta maculata fruit concentration 42 cypodfrw Q Cyperus odoratus fruit concentration 43 cypstfrw Q Cyperus strigosus fruit concentration 44 elettfrw Q Eleocharis tenuis-type fruit concentration 45 lycamsew Q Lycopus americanus seed concentration 46 pensesew Q Penthorum sedoides seed concentration 47 sagbrfrw Q Sagittaria brevirostra fruit concentration 48 sciatfrw Q Scirpus atrovirens-type fruit concentration 0, , 8890 2.0 1.0 1.0 5.0 1.0 1.0 2.0 4.0 4.0 4.0 2.0 1.0 33.0 2.0 1.0 4.0 1.0 9.0 9.0 4.0 1.0 1.0 12.0 3.0 3.0 1.0 1.0 4.0 2.0 1.0 4.0 2.0 9.0 1.0 1.0 1.0 3.0 20.0 4.0 1.0 1.0 1.0 1.0 2.0 3.0 5.0 1.0 1.0