John Wehmiller
Delaware Geological Survey, Newark, DE
Activity
2025
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LATE PLEISTOCENE STRATIGRAPHY AND RELATIVE SEA-LEVEL CHANGE IN NORTHEASTERN NORTH CAROLINA, USA WITH IMPLICATIONS FOR GLACIO-ISOSTASY AND GLOBAL SEA LEVELS
19 D3. Integrated Research and Management in Coastal Plain, Back-Barrier, and Estuarine SystemsThursday, 20 March 20251:30 PM - 3:30 PMAlleghany A
2024
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DATING OF A HIGH-ELEVATION PLEISTOCENE MARINE SURFACE IN NORTHERN CHILE – IMPLICATIONS FOR THE AGE AND ORIGIN OF THE CENTRAL ANDEAN RASA
T241 Surf and Turf: Quaternary Landscapes Session in Honor of Dan MuhsWednesday, 25 September 20248:00 AM - 12:00 PM207C
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AMINOSTRATIGRAPHIC MAPPING OF QUATERNARY COASTAL UNITS, CAROLINA COASTAL PLAIN
52 Interstate Collaboration in the Southeast US–State Geological Surveys Working Towards Stratigraphic and Lithologic Equivalencies to Address Mapping Discrepancies More Effectively (Posters)Tuesday, 16 April 20242:30 PM - 5:30 PMTop of the Plaza
2023
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LUMINESCENCE CHRONOLOGY OF PLEISTOCENE SEA LEVEL INDICATORS ALONG THE US ATLANTIC COAST
55 Sea-Level History from the U.S. East Coast—Insights for Projecting Future ChangeSunday, 19 March 20231:30 PM - 3:15 PMRegency Ballroom B
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PALEODRAINAGE CONTROLS ON COASTAL AND SHELF CONFIGURATION IN A MID-LATITUDE PASSIVE MARGIN
5 Resilience and Resource Strategies for the Coastal and Nearshore Zone in a Changing WorldFriday, 17 March 20238:00 AM - 12:00 PMRegency Ballroom B
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REFINED CHRONOSTRATIGRAPHIC MAPPING PROVIDES NEW INSIGHTS INTO THE LATE-PLEISTOCENE RELATIVE SEA-LEVEL HISTORY OF THE DELMARVA PENINSULA
1 D1. Sedimentary Geology, Paleontology, Geoarchaeology, and LandscapesFriday, 17 March 20238:00 AM - 12:00 PMLake Thoreau
2022
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US MID-ATLANTIC COASTAL PLAIN MOLLUSCAN AMINOCHRONOLOGY AND ITS RELATION TO MIS-3 OSL AGES FOR EMERGENT COASTAL UNITS
T182 The Status of the Laurentide Ice Sheet during MIS-3 IITuesday, 11 October 20221:30 PM - 5:30 PM603
2019
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NEW PERSPECTIVES ON US ATLANTIC COASTAL PLAIN AMINOSTRATIGRAPHY GLEANED FROM EXTENSIVE ANALYSES OF SHELL SPECIMENS FROM INNER CONTINENTAL SHELF VIBRACORES
39 Offshore Research on the Mid- and South-Atlantic Continental Shelf (Posters)Friday, 29 March 20191:00 PM - 5:00 PMCarolina Ballroom
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LATE QUATERNARY EVOLUTION OF THE CONTINENTAL SHELF AND COASTAL SYSTEM OF THE DELMARVA PENINSULA
35 Offshore Research on the Mid- and South-Atlantic Continental ShelfFriday, 29 March 20198:20 AM - 11:20 AMRutledge Room
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SOUTHERN DELMARVA BARRIER ISLAND BEACHES: LINKING OFFSHORE AND ONSHORE UNITS USING RACEMIZATION GEOCHRONOLOGY TO INFER SEDIMENT SOURCES DURING SHORELINE MIGRATION
13 Past and Future Coastal Evolution in Response to Sea-Level Changes and Storm ImpactsThursday, 28 March 20198:20 AM - 12:00 PMColonial Ballroom
2017
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PAIRED RACEMIZATION AND RADIOCARBON ANALYSIS OF PLEISTOCENE AND HOLOCENE SHELLS, US ATLANTIC COASTAL PLAIN: IMPLICATIONS FOR SHELL GEOCHRONOLOGY, PLEISTOCENE SEA LEVEL HISTORY, AND PALEOCLIMATE
18 Geologic Studies of the U.S. Atlantic Coastal Plain ProvinceFriday, 31 March 20178:00 AM - 12:00 PMShenandoah H
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ON-LINE DATABASES FOR ATLANTIC COASTAL PLAIN AMINOSTRATIGRAPHIC DATA
29 Geologic Studies of the U.S. Atlantic Coastal Plain Province (Posters)Friday, 31 March 20171:00 PM - 5:00 PMJames River Ballroom
2016
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LATE QUATERNARY SEA-LEVEL HIGHSTANDS OF THE MID-ATLANTIC US COASTAL PLAIN AND SUB-ORBITAL VARIABILITY WITH IMPLICATIONS FOR ICE SHEET SENSITIVITY
T104 Microfossil Proxies in Earth HistoryMonday, 26 September 20168:00 AM - 12:00 PMRoom 505
2015
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RACEMIZATION-INFERRED AGE DISTRIBUTION OF MOLLUSKS IN THE US ATLANTIC MARGIN COASTAL SYSTEM
T39 Continental Shelf and Estuarine Seafloor Mapping and Shallow Stratigraphy on the North American East Coast (Posters)Sunday, 1 November 20159:00 AM - 5:30 PMExhibit Hall
2014
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MULTIPLE GEOCHRONOMETER STUDY OF A HIGH-ELEVATION PLEISTOCENE MARINE TERRACE IN NORTHERN CHILE – IMPLICATIONS FOR COASTAL UPLIFT RATES
T103 Relative Sea-Level Changes since the Last Glacial MaximumMonday, 20 October 20148:00 AM - 12:00 PM212
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DATA MANAGEMENT FOR QUATERNARY COASTAL GEOCHRONOLOGY
34 Embracing Digital Technologies and the Geoweb: The Changing Philosophies and Practices of Geologic Mapping IIMonday, 24 March 20148:00 AM - 12:00 PMCommonwealth Salon 4
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ALLAN THOMPSON'S CONTRIBUTIONS TO THE INSTRUCTIONAL PROGRAM AT THE UNIVERSITY OF DELAWARE
37 Dr. Allan M. Thompson: Honoring his Legacy as a Geologist and EducatorMonday, 24 March 20148:00 AM - 11:20 AMHeritage Salon D
2013
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DON JOHNSON’S ROLE IN THE EARLY DAYS OF AMINOSTRATIGRAPHIC STUDIES ON THE CALIFORNIA COAST
272 Special Session: Accomplishments, Challenges, and Frontiers in Soil Geomorphology: In Memory of Donald L. JohnsonTuesday, 29 October 20131:00 PM - 5:00 PMMile High Ballroom 3C
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AN EVOLVING AMINOSTRATIGRAPHIC DATABASE FOR QUATERNARY COASTAL DEPOSITS
T280 Digital Geosciences: A Framework for Data-Intensive, Multi-Disciplinary Research and EducationTuesday, 29 October 20131:00 PM - 5:00 PMRoom 406
2012
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PLEISTOCENE SEQUENCE STRATIGRAPHY OF THE SHALLOW CONTINENTAL SHELF, OFFSHORE NEW JERSEY: CONSTRAINTS BY IODP LEG 313 COREHOLES
T72 Quaternary Atlantic Coastal Plain Formation and EvolutionMonday, 5 November 20128:00 AM - 12:00 PM207A
2010
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INTERLABORATORY COMPARISON OF AMINO ACID D/L VALUES
27 Geochemistry, Organic (Posters)Sunday, 31 October 20108:00 AM - 6:00 PMHall D
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THREE RADIOCARBON CALIBRATION TECHNIQUES FOR AMINO ACID RACEMIZATION IN HOLOCENE CHESAPEAKE BAY MOLLUSKS
77 Geologic and Paleoenvironmental History of the Chesapeake BayTuesday, 16 March 20101:30 PM - 5:35 PMCarroll
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AMINO ACIDS AND THE COASTAL PLAIN – WHAT HAVE THEY MEANT FOR EACH OTHER OVER THE PAST 40 YEARS?
30 Stratigraphy, Correlation, Depositional Environments, and Paleontology of Pliocene to Pleistocene MIS 5 Deposits of the Atlantic Coastal PlainMonday, 15 March 20108:00 AM - 12:05 PMCarroll
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LUMINESCENCE DATING AT GOMEZ PIT, VIRGINIA, AND IMPLICATIONS FOR THE MIDDLE TO LATE PLEISTOCENE ATLANTIC COAST HISTORY
30 Stratigraphy, Correlation, Depositional Environments, and Paleontology of Pliocene to Pleistocene MIS 5 Deposits of the Atlantic Coastal PlainMonday, 15 March 20108:00 AM - 12:05 PMCarroll
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EVALUATION OF RACEMIZATION-DERIVED AGE ESTIMATES USING STRONTIUM 87/86 VALUES IN MOLLUSKS FROM EARLY AND MIDDLE PLEISTOCENE UNITS, NORTH CAROLINA COASTAL PLAIN
10 Quaternary Geology, Geomorphology, and Archaeological Geology (Posters)Sunday, 14 March 20108:00 AM - 12:05 PMInternational ABCDF
2009
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AMINOSTRATIGRAPHY OF THE MARINE PLIO-PLEISTOCENE OF FLORIDA – HISTORY AND PROGRESS REPORT
14 The State of Florida’s GeologyFriday, 13 March 20098:30 AM - 12:30 PM
2008
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Using Individually Dated Bivalve and Brachiopod Shells to Reconstruct Epibiont Colonization and Taphonomy Over Millennial Timescales
315 Paleontology IV - Exceptional Preservation and TaphonomyWednesday, 8 October 20081:30 PM - 5:30 PM
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Stratigraphy and Evolutionary Development of Late Quaternary Deposits, Northeastern North Carolina and Southeastern Virginia
T282 Response of Coastal Environments to Accelerated Sea Level RiseWednesday, 8 October 20088:00 AM - 12:00 PM
2007
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HIGH RESOLUTION AMINOSTRATIGRAPHIC INTERPRETATION OF QUATERNARY COASTAL UNITS, ALBEMARLE EMBAYMENT, NORTH CAROLINA
21 Marine/Coastal ScienceFriday, 30 March 20078:20 AM - 11:40 AM
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TAXONOMIC COMPARISON OF AMINO ACID GEOCHEMISTRY AMONG LATE PLEISTOCENE MARINE INVERTEBRATES FROM FLORIDA
30 Undergraduate Research (Posters)Friday, 30 March 20078:00 AM - 12:00 PM
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PRELIMINARY STRATIGRAPHIC ANALYSIS OF QUATERNARY LITHOFACIES IN THE OUTER COASTAL PLAIN, NORTHEASTERN NORTH CAROLINA
23 Sedimentology and StratigraphyFriday, 30 March 20078:00 AM - 12:00 PM
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BUILDING A QUATERNARY STRATIGRAPHIC FRAMEWORK FOR THE OUTER BANKS OF NORTH CAROLINA USING CONCEPTS DERIVED FROM THE GEORGIA COAST: A TRIBUTE TO CLASSIC RESEARCH IN FACIES ANALYSIS BY V.J. HENRY AND HIS COLLEAGUES
24 Coastal and Marine Sedimentary Geology in the Southeastern United States: A Session in Honor of Dr. V.J. "Jim" HenryFriday, 30 March 20078:00 AM - 5:20 PM
2006
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AGE MIXING AMONG SYMPATRIC BIVALVES AND BRACHIOPODS FROM THE BRAZILIAN SOUTH ATLANTIC
181 Paleontology/Paleobotany VIII: Preservational Bias and Experimental TaphonomyWednesday, 25 October 20068:00 AM - 12:00 PM
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STRATIGRAPHIC FRAMEWORK AND CONTROLS ON THE QUATERNARY EVOLUTION OF THE MID-ATLANTIC PASSIVE MARGIN; CAPE HATTERAS REGION, NORTH CAROLINA, USA
T47 U.S. Atlantic and Gulf Margin Sequences and HydrostratigraphySunday, 22 October 20061:30 PM - 5:30 PM
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GEOCHRONOLOGY OF QUATERNARY COASTAL UNITS, ALBEMARLE EMBAYMENT, NORTH CAROLINA COASTAL PLAIN
18 Terrestrial Climatology: Effects of Wind and WaterThursday, 23 March 20061:30 PM - 5:30 PM
2005
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A COMPARISON OF AMINO ACID RACEMIZATION KINETICS USING GAS CHROMATOGRAPHY, REVERSE-PHASE LIQUID CHROMATOGRAPHY AND ION-EXCHANGE LIQUID CHROMATOGRAPHY
207 Quaternary Geology IIWednesday, 19 October 20058:00 AM - 12:00 PM
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THE MULTI-CENTENNIAL DYNAMICS OF AN UPWELLING SYSTEM REVEALED BY STABLE ISOTOPE AND TRACE ELEMENT SCLEROCHRONOLOGY OF AMINO-ACID DATED BIVALVE AND BRACHIOPOD SHELLS
239 Paleoclimatology/Paleoceanography IIWednesday, 19 October 20051:30 PM - 5:30 PM
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HOLOCENE AMINOCHRONOLOGY AND TIME-AVERAGING FOR CHESAPEAKE BAY MULINIA
3 Paleontology I: Paleoecology—Energetics, Environment, and EvolutionSunday, 16 October 20058:00 AM - 12:00 PM
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HOLOCENE MOLLUSCAN AMINOSTRATIGRAPHY OF CHESAPEAKE BAY SEDIMENTS
3 Sea-level Changes and Coastal Evolution: Holocene and ModernThursday, 17 March 20058:00 AM - 12:30 PM
2004
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A COMPARATIVE ANALYSIS OF TIME AVERAGING FOR BIVALVES AND BRACHIOPODS FROM A MODERN TROPICAL SHELF
162 Paleontology VIII: Processes of FossilizationTuesday, 9 November 20041:30 PM - 5:30 PM
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VALLEY FILL FACIES AND CHARACTERISTIC GAMMA-RAY LOG RESPONSE PATTERNS, LATE PLEISTOCENE TO HOLOCENE TRANSGRESSION, OUTER BANKS, NORTH CAROLINA, USA
32 Quaternary Geology ISunday, 7 November 20041:30 PM - 5:30 PM
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TIME AVERAGING ON A SHALLOW SUBTROPICAL SHELF: THE SEARCH FOR A TAPHONOMIC CLOCK
60 Cenozoic to Recent PaleontologySaturday, 27 March 20048:00 AM - 12:00 PM
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REGIONAL GEOLOGIC MAPPING OF THE COASTAL ZONE TO IDENTIFY AND QUANTIFY COASTAL HAZARDS
66 Geologic Hazard Issues in the Eastern United StatesSaturday, 27 March 20048:00 AM - 12:00 PM
2003
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OLD IDEAS, NEW TECHNIQUES: RECYCLING OF FOSSIL SHELL MATERIAL IN ATLANTIC MARGIN COASTAL SYSTEMS
T180 From the Abyss to the Beach: In Honor of Orrin H. PilkeyTuesday, 4 November 20031:30 PM - 5:30 PM
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d13C COMPOSITION OF AMINO ACIDS FROM THE SHELLS OF MODERN AND FOSSIL MERCENARIA
T102 Cutting Edge and "Vintage" Geochemistry: Celebrating the Science and Life of Glenn GoodfriendMonday, 3 November 20031:30 PM - 5:30 PM
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A COMPARISON OF RATES OF TIME AVERAGING BETWEEN THE BIVALVE MACOMA CLERYANA AND BRACHIOPOD BOUCHARDIA ROSEA ON A SHALLOW SUBTROPICAL SHELF
T102 Cutting Edge and "Vintage" Geochemistry: Celebrating the Science and Life of Glenn GoodfriendMonday, 3 November 20031:30 PM - 5:30 PM
2001
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CHRONOSTRATIGRAPHIC AND PALEOCLIMATIC IMPLICATIONS OF PAIRED RADIOCARBON/RACEMIZATION ANALYSES OF QUATERNARY MOLLUSKS FROM THE U.S. MID- AND SOUTHEASTERN ATLANTIC COASTAL PLAIN
T70 Novel Applications of Bulk and Compound Specific Stable and Radiogenic Isotopes for the Solution of Problems in Organic GeochemistryTuesday, 6 November 20018:00 AM - 12:00 PM
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THE PITS OF VIRGINIA BEACH - INSIGHTS INTO QUATERNARY SEA LEVEL GEOCHRONOLOGY AND DETAILS OF ATLANTIC COASTAL PLAIN STRATIGRAPHY
37 Atlantic Coastal Plain Geology: A Symposium in Honor of Gerald H. Johnson (Part B)Friday, 6 April 20011:00 PM - 3:00 PM
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THE LATE QUATERNARY GEOCHRONOLOGY OF NORTH CAROLINA'S OUTER BANKS DERIVED FROM AMINOSTRATIGRAPHIC STUDY OF BEACH AND INNER SHELF CORE SAMPLES
35 Marine and Coastal Science (Posters)Friday, 6 April 20011:00 PM - 4:00 PM
Date Unknown
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AMINOSTRATIGRAPHY OF QUATERNARY COASTAL UNITS, NORTH CAROLINA COASTAL PLAIN
28 Quaternary Geology/Geomorphology (Posters)
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COMPARATIVE RACEMIZATION KINETICS OF AMINO ACIDS IN SIMPLE PEPTIDES AND MOLLUSK FRAGMENTS
200 Geochemistry, Organic (Posters)
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MATHEMATICAL MODELING OF DIAGENETIC AMINO ACID RACEMIZATION IN CARBONATE FOSSILS
71 Undergraduate Research (Posters) III
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ANALYTICAL COMPARISONS USING ALLOISOLEUCINE/ISOLEUCINE FOR AMINO ACID GEOCHRONOLOGY
200 Geochemistry, Organic (Posters)
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DEVELOPMENT OF AN AMINO ACID RACEMIZATION DATABASE FOR COASTAL PLAIN SITES
28 Quaternary Geology/Geomorphology (Posters)
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LATE QUATERNARY AMINOSTRATIGRAPHY AND GEOCHRONOLOGY OF THE ST. HELENA ISLAND AREA, SOUTH CAROLINA COASTAL PLAIN
19 The Stratigraphy of the Southeastern Atlantic Coastal Plain: A Poster Session with Core Samples (Posters)
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THE RECORD OF QUATERNARY SEA-LEVEL CHANGE, NORTH CAROLINA COASTAL PLAIN, MID-ATLANTIC US
T79 High Resolution Records from Late Quaternary Estuarine and Marine Deposits (Posters)
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VALLEY-FILL VERSUS INTERFLUVE: QUATERNARY DEPOSITIONAL PATTERNS RESULTING FROM SEA LEVEL FLUCTUATION, NORTHEASTERN NORTH CAROLINA
23 Quaternary Geology (Posters) I
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ANTECEDENT TOPOGRAPHIC CONTROLS ON QUATERNARY DEPOSITION IN A TRIBUTARY ESTUARINE SYSTEM, CROATAN SOUND, NORTHEASTERN NORTH CAROLINA
59 Process-based Modeling of Coastal Responses with Emphasis on Coastal Storms (Posters)
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Quaternary Stratigraphic Framework of the Eastern Coastal Plain and Outer Banks of North Carolina, USA
305 Stratigraphy (Posters)
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PRELIMINARY STRATIGRAPHIC ANALYSIS OF QUATERNARY LITHOFACIES ASSOCIATED WITH THE CAPE LOOKOUT HIGH, OUTER BANKS, NORTH CAROLINA
23 Quaternary Geology (Posters) I