A Historical Atlas of Cahokia Archaeology
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The Cahokia Atlas A Historical Atlas of Cahokia Archaeology Mclvin f bwler '„ -^<P»P<> o o fa ^cP g) Q « ^ r,H.mt.,ltm /V»»J.—rf : / ^ Studies in Illinois Archaeology No. 6 Illinois Historic I*reservation Agency SURVEY. lamOlS HISTORlCAt ^<o-^^ THE CAHOKIA ATLAS STUDIES IN ILLINOIS ARCHAEOLOGY NUMBER 6 Thomas E. Emerson, Series Editor Michael D. Conner, Center for American Archeology, Volume Editor THE CAHOKIA ATLAS A Historical Atlas of Cahokia Archaeology Melvin L. Fowler 111 Illinios Historic Preservation Agency Springfield, Illinois ISBN 0-942579-06-2 Illinois Historic Preservation Agency Printed by Authority of the State of Illinois November 1989 This publication was financed in part with federal funds provided by the U.S. Department of the Interior and administered by the Illinois Historic Preservation Agency. However, the contents and opinions do not necessarily reflect the views or policies of the U.S. Department of the Interior or the Illinois Historic Preservation Agency. TABLE OF CONTENTS List of Figures ix List of Tables xiv Acknowledgments xv Foreward xvi CHAPTER 1: INTRODUCTION 1 Introduction to Cahokia Archaeology 12 CHAPTER 2: HISTORY OF INVESTIGATIONS OF THE CAHOKIA SITE 15 CHAPTER 3: THE MAPS OF CAHOKIA 44 CHAPTER 4: DESCRIPTIONS OF MOUNDS 1-37 62 Mound 1 62 Mound 2 62 Mound 3 64 Mound 4 64 Mound 5 64 Mound 6 68 Mound 7 68 Mound 8 70 Mound 9 70 Mounds 10 and 11 70 Mound 12 72 Mounds 13, 14, 15, and 16 72 Mound 17 75 Mound 18 77 Mound 19 79 Mound 20 79 Mound 21 80 Mound 22 80 Mound 23 80 Mound 24 80 Mound 25 82 Mound 26 82 Mound 27 82 Mound 28 83 Mound 29 83 Mounds 30 and 31 84 Mound 32 85 Mound 33 86 Mound 34 88 TABLE OF CONTENTS Mound 35 89 Mound 36 89 Mound 37 89 CHAPTER 5: MONKS MOUND 90 Structure 90 History of Observations and Excavations 101 CHAPTER 6: DESCRIPTIONS OF MOUNDS 39-88 108 Mound 39 108 Mound 40 110 Mound 41 Ill Mound 42 Ill Mound 43 Ill Mound 44 114 Mound 45 114 Mound 46 116 Mound 47 118 Mound 48 118 Mound 49 118 Mound 50 120 Mound 51 120 Mound 52 124 Mound 53 124 Mound 54 126 Mound 55 126 Mound 56 127 Mound 57 127 Mound 58 128 Mound 59 128 Mound 60 132 Mound 61 132 Mound 62 134 Mound 63 134 Mound 64 135 Mound 65 135 Mound 66 139 Mound 67 142 Mound 68 144 Mound 69 144 Mound 70 144 Mound 71 144 Mound 72 144 Mound 73 150 Mound 74 150 Mound 75 154 Mound 76 154 Mound 77 155 Mound 78 156 Mound 79 156 Mound 80 158 vi TABLE OF CONTENTS Mound 81 158 Mound 82 158 Mound 83 159 Mound 84 159 Mound 85 162 Mound 86 162 Mound 87 165 Mound 88 167 CHAPTER 7: DESCRIPTIONS OF MOUNDS 89-104 168 Mound 89 168 Mound 90 168 Mound 91 168 Mound 92 170 Mound 93 170 Mound 94 170 Mound 95 170 Mound 96 170 Mound 97 170 Mound 98 and Mound 99 172 Mound 100 172 Mound 101 and Mound 102 172 Mound 103 172 Mound 104 172 Other Possible Mounds 172 CHAPTER 8: BORROW PITS AT CAHOKIA 178 Borrow Pit 5-1 179 Borrow Pit 5-2 181 Borrow Pit 5-3 181 Borrow Pit 5^ 182 Borrow Pit 5-5 182 Borrow Pit 5-6 183 Borrow Pits 5-7, 5-8, 5-9, and 5-10 183 Borrow Pits 8-1, 8-2, 8-3, 8^, and 8-5 183 Borrow Pit 4-1 185 Borrow Pits 2-1, 2-2, 2-3, and 2-4 185 Discussion 185 CHAPTER 9: CAHOKIA AS A COMMUNITY 189 Cahokia Population 191 Community Organization 192 Platform Mounds 192 Conical Mounds 194 Ridge-Top Mounds 194 The Palisade 195 CHAPTER 10: DOWNTOWN CAHOKIA AND ITS SATELLITES 198 Downtown Cahokia 198 The Suburbs, Satellites, or Barrios 201 Vll TABLE OF CONTENTS CHAPTER 11: CAHOKIA YESTERDAY, TODAY, AND TOMORROW 206 APPENDIX 1: RADIOCARBON DATING 211 Limitations of Radiocarbon Dating 211 Cahokia Dates and Periods of Occupation 212 Radiocarbon Dating of Monks Mound 213 Other Mounds 214 The Pahsade 215 Habitation or Residential Areas 215 APPENDIX 2: KEY TO THE 1966 UNIVERSITY OF WISCONSIN-MILWAUKEE CAHOKIA MAP 219 APPENDIX 3: MOUND NUMBERS, LOCATIONS, AND FORMS 221 APPENDIX 4: CAHOKIA BORROW PITS 225 APPENDIX 5: CURRENT RESEARCH AT THE CAHOKL\ SITE (1984-1989) 227 William I. Woods and George R. Holley Interpretive Center Tract II 228 Utility Corridor 229 Monks Mound 229 Kunnemann Tract 229 Southern Palisade 230 Plaza Excavations 230 MRTC and Fairmont City 230 Falcoln Drive-In 231 Implications of Recent Research 231 Bibliography of Cahokia Archaeology 233 LIST OF FIGURES Artist's reconstruction Cahokiaca. A.D. 1100 frontispiece 1.1 The modem Mississippi River valley near St. Louis 2 1.2 Reconstruction of the rivers, creeks, and lakes in the American Bottom ca. 1800 3 1.3 A reconstruction of the map of 17 of the mounds in the East St. Louis mound group commissioned by J. R. Patrick about 1880 5 1.4 A reconstruction of the 1876 Patrick map of the Cahokia site 8 1.5 Map of the Cahokia site showing the boundaries of National Historic Site and the extent of mound distribution 10 1.6 Aerial view of Monks Mound looking towards the southwest 11 2.1 A portion of the Collot map of the Mississippi River valley near St. Louis 16 2.2 The Wild drawing of the central area of the Cahokia site as viewed from the west 19 2.3 Two drawings of Cahokia from the 1830s by Kari Bodmer 21 2.4 The engraved sandstone tablet described by Peet in 1891 23 2.5 A 1922 Goddard air photo of the west half of the Cahokia site viewed from the east 25 2.6 A 1922 Goddard air photo of the east half of the Cahokia site viewed from the west 26 2.7 A schematic map of the Cahokia site showing the locations and forms of mounds, borrow pits, and other cultural features 27 2.8 Warren King Moorehead 28 2.9 The Patrick map of the Powell mound group on the west end of the Cahokia site 29 2.10 A low, oblique air photo of the Powell Mound viewed from the west 30 2.11 The leveling of the Powell Mound in January 1931 31 2.12 Excavations in Tract 15B 33 2.13 Remains of houses found in Tract 15B 33 2.14 Excavations at Tract 15A 34 2.15 Students from the University of Illinois-Chicago Circle excavate the remains of a cedar log from a Woodhenge post pit 35 2.16 A reconstructed Woodhenge at Cahokia Mounds State Historic Site 35 2.17 A map of Monks Mound showing locations of various excavations during the 1971 cooperative archaeological project 36 IX LIST OF FIGURES 2.18 Vertical air photo of Monks Mound and the surrounding area taken on June 22, 1971 37 2.19 Washington University excavations on the fourth terrace 38 2.20 Solid-core drilling on the fourth terrace by Washington University researchers .... 39 2.21 Archaeologists from the University of Wisconsin-Milwaukee excavate a burned structure beneath a small mound on the southwest comer of the first terrace 40 2.22 Students in the Cahokia Museum Field School excavate along the palisade east of Monks Mound 42 3.1 A reconstruction of the 1876 Patrick Map 46 3.2 The 1882 McAdams Map 47 3.3 The 1894 Thomas Map 48 3.4 A portion of the 1888 USGS Quadrangle Map of the St. Louis area showring Monks Mound and other mounds at Cahokia 50 3.5 The 1906 Peterson-McAdams Map 51 3.6 Land survey map of the central portion of Cahokia published by the Ramey family in 1916 52 3.7 The 1922 Moorehead Map 53 3.8 The 1923 Moorehead Map 54 3.9 The 1929 Moorehead Map 55 3.10 Map of Cahokia based on the field notes for the USGS survey in 1930 and 1931 .... 56 3.11 The central section, Section 5, of the 1966 UWM Map 58 3.12 The central section of the UWM Map with streets, houses, and other modem features removed 59 3.13 The central section of the Patrick Map showing the equivalent of Section 5 of the UWM Map 60 4.1 Section 6H of the UWM Map showing the locations of Mounds 1 and 2 63 4.2 Section 3V of the UWM Map showing the location of Mound 3 65 4.3 Section 5E of the UWM Map showing the location of Mound 4 66 4.4 Portions of Sections 5C and 5D of the UWM Map showing the location of Mound 5 67 4.5 Mound 5 68 4.6 Section 2R of the UWM Map showing the locations of Mounds 6, 7, 8, 9, and a portion 10 69 4.7 Portions of sections 2R, 2S, 2V, and 2W of the UWM Map shoving Mounds 10, 11, and 12 71 4.8 Mound 11 73 4.9 Excavations into Mound 11 in 1922 by Moorehead 73 LIST OF FIGURES 4.10 Sections 5B and 5C of the UWM Map showing the locations of Mounds 13, 14, 15, and 16 74 4.11 Section 5H of the UWM Map showing the locations of Mounds 17, 36, 37, and 38 76 4.12 Section 5G of the UWM Map showing Mounds 18, 19, 20, and 30-35 78 4.13 Section 5F of the UWM Map showing the locations of Mounds 21-29 81 4.14 Mound 28 83 4.15 Caldwell's excavations in Mound 31 85 4.16 The circular trench and the circle of postmolds at the base of Mound 33 87 5.1 Featherstonhaugh's 1844 drawing of Monks Mound viewed from the south 91 5.2 Monks Mound as drawn by Bjo-on W.