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Schoonmaker Reef

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87: 112: 271: 73: 119: 94: 328:. It exists as a massive, rock hill that stretches in a 600-foot (180 m) outcrop. It is exposed on the lower 20 feet (6.1 m) of a 60-foot (18 m) bluff; the upper portion of the bluff is formed by glacial sediments left in the last million years. The reef contains a variety of fossils from Silurian period organisms, including 257:
declared its significance in 1862. It was the first ancient reef described in North America, and among the first described in the world. It is located North of W. State St., between N. 66th St. and N. 64th St. extended, in Wauwatosa. It was declared a
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in 1939. He was the first to completely diagram a cross-section of the reef. In 1948, the Bliffert Concrete Company bought the quarry and concrete plant and leased it to the Fuller Company. It was abandoned two years later.
373:, the Wisconsin State Geologist, published a study of the reef in 1877 comparing it to modern reefs. He identified Schoonmaker as an important model of reef study because of its abundance of fossils. Amateur geologists like 367:
area in the 1850s to examine Lapham's fossil collection. Hall made Schonmaker a focus of his studies of ancient reefs and it became the scientific model for reef development in the nineteenth century.
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collected fossils from the site. Day's collection, which featured samples from about two hundred species, was responsible for approximately 90% of reef species identification.
647: 642: 445: 566:"National Historic Landmark Nomination: Schoonmaker Reef / Wauwatosa Reef, Schoonmaker Quarry, Raphu Station, Francey Reef, Francey Quarry, Wauwatosa Quarry" 627: 344:. Lime burning at the reef may have first occurred five years earlier. Silas Brown constructed lime kilns in the 1840s which remained in use until 1857. 677: 151: 672: 111: 657: 86: 478: 50: 401:
after his death. William C. Alden photographed the reef in 1899; the picture was widely distributed in geology textbooks. In 1904,
363:. Hall was made aware of the reef by Lapham, who sent him fossils that he had collected there. He frequently visited Lapham in the 394: 667: 407: 386: 356: 254: 539: 502: 370: 259: 59: 382: 313: 340:
The first known human interaction with the reef was in 1838, when Joseph Higgins identified it as a source of
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The G. D. Francey Coal, Stone & Supply Company bought the land from Schoonmaker in 1909 to produce
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purchased the land in 1857. Schoonmaker operated the quarry until 1909 and is its namesake. In 1862,
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In recent years, an apartment complex named The Reef was constructed in front of the reef site.
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published a paper on Wisconsin reefs, featuring the Schoonmaker Reef, in the
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National Register of Historic Places listings in Milwaukee County, Wisconsin
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purchased most of Day's collection (over 4 short tons (3.6 t)) for the
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The Schoonmaker Reef formed approximately 425 million years ago during the
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Natural features on the National Register of Historic Places in Wisconsin
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Accompanying 4 photos, exterior and interior, from 1899, 1970, and 1990.
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Wangard Partners, Inc. Acquires Schoonmaker Reef Site for Redevelopment
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first identified the reef as an area of geological interest in 1844.
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National Register of Historic Places in Milwaukee County, Wisconsin
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on the site of a quarry owned by the Schoonmaker family. Geologist
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identified Schoonmaker Reef as the first ancient reef on mainland
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in 1881. Day sold over five thousand fossils to Greene for this
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Joanne Kluessendorf and Donald D. Mikulic (December 18, 1994).
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and another 10,000 of his collection were sold to the
308:. The reef is stratigraphically consistent with the 208: 200: 195: 182: 145: 135: 528:JS Online: Tosa protects piece of geologic history 446:List of National Historic Landmarks in Wisconsin 8: 320:. The exposed portion of the reef is in the 559: 557: 555: 553: 551: 549: 507:National Historic Landmark summary listing 71: 51:U.S. National Register of Historic Places 648:National Historic Landmarks in Wisconsin 643:Landforms of Milwaukee County, Wisconsin 497: 495: 493: 118: 93: 462: 27:Fossilized reef in Wauwatosa, Wisconsin 585: 574: 474:"National Register Information System" 468: 466: 425:Geological Society of America Bulletin 34: 405:published a paper on the reef in the 274:A closeup of fossilized reef material 237:is a 425 million year-old fossilized 7: 479:National Register of Historic Places 25: 117: 110: 92: 85: 678:Lime kilns in the United States 245:. It was discovered in 1844 by 60:U.S. National Historic Landmark 184: 1: 673:Silurian geology of Wisconsin 408:Geological Society of America 387:Museum of Comparative Zoology 126:Show map of the United States 658:Rock formations of Wisconsin 32:United States historic place 694: 371:Thomas Chrowder Chamberlin 260:National Historic Landmark 383:Alexander Emanuel Agassiz 183:NRHP reference  79: 70: 66: 57: 48: 41: 37: 571:. National Park Service. 286:, a sedimentary rock of 509:. National Park Service 584:Cite journal requires 403:Amadeus William Grabau 399:University of Michigan 282:period. It is largely 275: 484:National Park Service 351:John Schoonmaker and 304:) that is similar to 273: 167:43.04722°N 87.99361°W 101:Show map of Wisconsin 668:Wauwatosa, Wisconsin 365:Milwaukee, Wisconsin 353:Isaac W. Van Schaick 326:Wauwatosa, Wisconsin 243:Wauwatosa, Wisconsin 140:Wauwatosa, Wisconsin 486:. January 23, 2007. 441:Soldiers' Home Reef 421:Robert Rakes Shrock 209:Designated NHL 172:43.04722; -87.99361 163: /  503:"Schoonmaker Reef" 391:Harvard University 346:Increase A. Lapham 276: 247:Increase A. Lapham 227:Schoonmaker Quarry 212:September 25, 1997 204:September 25, 1997 18:Schoonmaker Quarry 379:Fisk Holbrook Day 316:in Wisconsin and 216: 215: 196:Significant dates 16:(Redirected from 685: 615: 610: 604: 603: 593: 587: 582: 580: 572: 570: 561: 544: 543: 536: 530: 525: 519: 518: 516: 514: 499: 488: 487: 470: 375:Thomas A. Greene 221:, also known as 219:Schoonmaker Reef 186: 178: 177: 175: 174: 173: 168: 164: 161: 160: 159: 156: 127: 121: 120: 114: 102: 96: 95: 89: 75: 43:Schoonmaker Reef 35: 21: 693: 692: 688: 687: 686: 684: 683: 682: 633: 632: 624: 619: 618: 611: 607: 601: 583: 573: 568: 563: 562: 547: 538: 537: 533: 526: 522: 512: 510: 501: 500: 491: 472: 471: 464: 459: 437: 338: 322:Menomonee River 310:Racine Dolomite 303: 299: 268: 171: 169: 165: 162: 157: 154: 152: 150: 149: 131: 130: 129: 128: 125: 124: 123: 122: 105: 104: 103: 100: 99: 98: 97: 62: 53: 44: 33: 28: 23: 22: 15: 12: 11: 5: 691: 689: 681: 680: 675: 670: 665: 660: 655: 650: 645: 635: 634: 631: 630: 623: 622:External links 620: 617: 616: 605: 586:|journal= 545: 531: 520: 489: 461: 460: 458: 455: 454: 453: 448: 443: 436: 433: 337: 334: 301: 297: 267: 264: 223:Wauwatosa Reef 214: 213: 210: 206: 205: 202: 198: 197: 193: 192: 187: 180: 179: 147: 143: 142: 137: 133: 132: 116: 115: 109: 108: 107: 106: 91: 90: 84: 83: 82: 81: 80: 77: 76: 68: 67: 64: 63: 58: 55: 54: 49: 46: 45: 42: 39: 38: 31: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 690: 679: 676: 674: 671: 669: 666: 664: 661: 659: 656: 654: 651: 649: 646: 644: 641: 640: 638: 629: 626: 625: 621: 614: 609: 606: 602:(729 KB) 599: 598: 591: 578: 567: 560: 558: 556: 554: 552: 550: 546: 541: 535: 532: 529: 524: 521: 508: 504: 498: 496: 494: 490: 485: 481: 480: 475: 469: 467: 463: 456: 452: 449: 447: 444: 442: 439: 438: 434: 432: 429: 426: 422: 418: 413: 411: 409: 404: 400: 396: 392: 388: 384: 380: 376: 372: 368: 366: 362: 361:North America 358: 354: 349: 347: 343: 335: 333: 331: 327: 323: 319: 315: 311: 307: 295: 292: 289: 285: 281: 272: 265: 263: 261: 256: 252: 248: 244: 240: 236: 232: 231:Raphu Station 228: 224: 220: 211: 207: 203: 201:Added to NRHP 199: 194: 191: 188: 181: 176: 148: 144: 141: 138: 134: 113: 88: 78: 74: 69: 65: 61: 56: 52: 47: 40: 36: 30: 19: 613:The Reef Apt 608: 596: 577:cite journal 534: 523: 511:. Retrieved 506: 477: 430: 424: 414: 406: 369: 350: 339: 277: 235:Francey Reef 234: 230: 226: 222: 218: 217: 29: 170: / 146:Coordinates 637:Categories 513:January 3, 457:References 357:James Hall 330:trilobites 324:valley in 255:James Hall 158:87°59′37″W 417:aggregate 412:in 1903. 314:formation 306:limestone 294:carbonate 291:magnesium 262:in 1997. 155:43°2′50″N 435:See also 410:Bulletin 318:Illinois 296:(CaMg(CO 284:dolomite 280:Silurian 251:Fisk Day 190:97001266 136:Location 336:History 288:calcium 266:Geology 600:  395:museum 569:(pdf) 594:and 590:help 515:2008 377:and 342:lime 312:, a 249:and 239:reef 389:at 241:in 233:or 185:No. 639:: 581:: 579:}} 575:{{ 548:^ 505:. 492:^ 482:. 476:. 465:^ 419:. 332:. 229:, 225:, 592:) 588:( 542:. 517:. 302:2 300:) 298:3 20:)

Index

Schoonmaker Quarry
U.S. National Register of Historic Places
U.S. National Historic Landmark

Schoonmaker Reef is located in Wisconsin
Schoonmaker Reef is located in the United States
Wauwatosa, Wisconsin
43°2′50″N 87°59′37″W / 43.04722°N 87.99361°W / 43.04722; -87.99361
97001266
reef
Wauwatosa, Wisconsin
Increase A. Lapham
Fisk Day
James Hall
National Historic Landmark

Silurian
dolomite
calcium
magnesium
carbonate
limestone
Racine Dolomite
formation
Illinois
Menomonee River
Wauwatosa, Wisconsin
trilobites
lime
Increase A. Lapham

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