812 



INDEX. 



Page. 



Peat, buried, at Ashland, 111 127 



at Champaign, 111 234 



at Evanston, 111 450,588 



at Muscatine, Iowa 48 



at Neponset, 111 629 



at Virginia, 111 711 



in Christian County, 111 725 



in Des Moines County, Iowa 50 



in Iroquois County, 111 141,655.656 



in Loo County, Iowa 41 



in northern Illinois 185-186 



in southeastern Iowa 120-121 



near Chebanse, 111 657 



near Clayton, 111 141-142,661 



near Davenport, Iowa 128 



near Edwards River 622 



near Letts, Iowa 49 



near Mahomet, 111 216 



near New London, Iowa 52 



near Reynolds, Ind 335 



near Washington, 111 32 



near Wyoming. Ill - 672 



(See Muck, buried; Silt, buried; Soil, buried.) 



Pecaton ica, 111., wells at 572 



Pecatonica Basin, structure of drift in 137-138 



Pccatonica esker system 80-81 



Pocatonica River, basin-like expansion of valley of. 18 



effect of glaciation on 484-485 



Peet, S. D., information furnished by.-- 686 



Pekin, 111., wells at 691 



Penhallow, D. P., cited on Toronto formation 189 



Pentwater Lake, depth of 441 



Peoria, 111., exposures near 128,207 



glacial deposits near 499 



width of the Illinois Valley at 499-500 



Peoria County, 111., altitude of 10 



bowlders in 269 



general features of 673 



wells in 673-676 



Peorian stage, length of 188-189 



Pere Marquette Lake, depth of 441 



Perry County, 111., altitude of 10 



general features of 771 



wells in 771-773 



Peru, 111., altitude of rock bottom at 500 



wells at 637 



Petersburg, 111., wells at 709 



Philipstown, 111., wells near 777 



Philo, 111., section of well at 235-236 



wells at 703 



Phinuey, A. J., cited on geologic formations in west- 

 ern Indiana 552 



Piatt County, 111., altitude of 10 



general features of 703-704 



well in .' 234, 703, 704 



Pigeon Creek drainago basin, changes in 98 



Pike County, 111., altitude of 11 



drift border in 34 



general features of 718-719 



till in 62 



wills in 718-721 



Pike County, Ind., changes in drainage in 98,99 



drift border in 35,37,40 



drift in 08 



till in 68-69 



Pillsbry and Johnson's check list, cited 168-171 



Pinckney ville, 111., wells at 771 



Page. 

 Pine Creek, preglacial excavations along Rock River 



near 489 



Pipestone Creek, course of 540 



topography near 346 



wells near 372-373 



Pipestone River, moraine near, description of 352 



Pittsfleld, 111., wells at 721 



Pittwood, 111., wells at 656-657 



Plainville, 111., drift near 59 



wells at 717-718 



Piano. 111., wells at 643-644 



Plattville, 111., wells near 644 



Pleasant Mound, 111., wells at 752 



Pleasant Plain, 111., wells at 725 



Pleasant Valley, preglacial stream in 465-466 



Pleasant View, 111., wells at... 712 



Pleistocene beds near Sparta, 111., section of 117. 



Pleistocene deposits beneath thelllinoian till sheet. 105-118 



Plummers Creek, glacial deposits near 69-70 



Plum River, preglacial and present course of 478 



Pocahontas, 111., ridge from Highland to 72-73 



Polo, 111., exposures of Iowan drift east of 132,138-139 



wells at 606 



Pontiac, 111., wells at 666 



Pope County, 111., altitude of 11 



Porter County, Ind., section of artesian well in 397 



thickness of drift in 392 



Posey County, Ind., changes of drainage in 97 



driftin 35,67 



Potomac. 111., wells near 698, 700 



Prairie City. 111., wells at 685 



Prairie Creek, 111., wells near 657 



Pratt, W. H., cited on animal remains in Davenport, 



Iowa 127-1 28 



cited on fossils 166,168 



Prentice, 111., coal shaft at 723 



Princeton, 111., altitude of rock bottom at 500 



wells at 627-628 



Princeville, 111., wells near 674 



Prophetstown, 111., wells near 617 



Prospect Park, 111., wells at 593 



Pulaski County, 111., altitude of 11 



Purdue, A. H., aid by 329, 412 



work on sand areas 333 



Purviance, A. T., information furnished by 633 



Putnam City, 111., well at 634 



Putnam County, 111., altitude of 10 



general features of 633-634 



wells in 633-634 



Q. 



Qnfacy.IU., wells at 714 



Quiver Creek, watershed of 515 



R. 



Rabbit fossils 42,124 



Raccoon Creek, deflection by glacial boundary 104 



Racine, Wis., profile across Lake Michigan near 13 



Rae, E. C.and Greenleaf, J. L., estimate of discharge 



through Rock River Valley, made by 489 



Raleigh, 111., wells at 782 



Ramsey. 111., wells near 753 



Randolph County, 111., altitude of 11 



general features of 767 



ridge in Jackson County and 73 



table of well sections in 768 



wells in 767-769 



