INDEX 



A., 



Abtott. — , statementby . --- 273 



Aboit.Ind., altitude at and near 548.549 



morainic topography near -- 554 



Ackley, Pa., morainictopography near 444 



Acmaton, Pa., gravel terrace near 246 



Adamsville, Pa., strise near 464 



Adario, Ohio, wells at - 558 



Adelphi, Ohio, glacial deposits near 259,368 



morainic topography near 397 



Adrian, Mich.,preglacial channel near.. 718 



Agosta, Ohio, altitude near --. - 549 



wells at - ---- ^^ 



Akron, Ohio, glacial deposits near 563-564,605 



gravel plain near 388 



strise near -- 423 



Aladdin, Pa., fluvial plains at, height of -.. 145 



Albion, Pa. , preglacial drainage near 137 



Albion moraine, altitude of, range in -.- -. 703 



distribution of 701-703 



drift of, structure of - - 706-707 



inner border phenomena of -- 707-708 



relation to Lake Warren. - 707 



topography of -- 703-706 



Alden moraine, altitude of, range in 684 



distribution of - ^ 684 



drift of, structure of 685 



outer border drainage of 685 



relation to Lake "Warren 685 



topography of ..* - 684r-685 



Alexandria, Ind., drift near --. 486 



strise at --- - 487 



Allegheny, Pa., fluvial plains at, height of 145 



glacial gravel at 349 



gravel filling near, upper limit of . ._ 340 



rock island at 84 



section in -.. 249 



shale and gravel at, contact of 143-144 



Allegheny Coal Measures, occurrence and char- 

 acter of - 64r-65 



Allegheny River, course and drainage area of — 135 



course, preglacial, of - 139-148 



fall of 98,125-127 



gradation plain on ..- 129 



gravel deposits in valley of 136 



old divide on.... 98-100 



rock floor of 137 



valley of , description of 128-129 



See also Old Allegheny drainage system. 



Allegheny Valley Railroad, profile along 147 



Alliance, Ohio, altitude at 440 



Alquina. Ind., altitude at 308 



Alum Creek, Ohio, features of valley of 537 



wells near 434 



Alvada. Ohio, altitude at - 583 



Amanda, Ohio, wells at and near. - 412 



Amanda Township, Ohio, strise in 581 



Anderson, Ohio, wells at. 414 



Andersons Fork, Ohio, strise on 349 



Andover, Ohio, altitude at - 626 



strise near 465,467 



Andover Center, Ohio, drift near - 646 



Andrews, E. B., cited 26,106 



reference to 64 



Angelica Creek. N. Y., length of 203 



Anna, Ohio, altitude at 497 



borings at -. 501 



glacial channel near 518 



Appleton, Ohio, well at _-. 408 



Arcanum, Ohio, wells at 370 



Archbold, Ohio, beach near 748 



Area discussed, boundaries of 33-24 



glacial map of 50 



topographic map of 23 



Arkwright. N. Y., altitude near 657,658 



moraine near 655 



Arnold, Pa., glacial gravel at 245 



gravel filling near, uijper limit of 340 



fluvial plains at, height of 145 



Arthur, C. S., fossils collected by 516 



Ashland, Ohio, altitude near 549 



morainic topography near 553,566 



Ashtabula, Ohio, beaches near 736 



Ashtabula Creek, Ohio, course of.. 315 



section on 668 



Ashtabula moraine, course of 653 



topographyof 661-662 



Attica, Ind., altitude at 189 



Attica, Ohio, altitude at 583 



wells near 598 



Atwater, C, reference to 34 



Atwater, Ohio, wells near 462 



Auburn, Ind., altitude near.. 549 



drift at 504 



Auburn Center, Ohio, drift near ._ 593 



Auglaize River, Ohio, beach near 729 



course of 219 



Aurora. Ind., gas boring at 267 



section near 266 



Aurora Township, Ohio, well in 594 



Austin, Ohio, till at.. 414 



Austiutown, Ohio, strise at 465 



Ayer Flats. Ohio, glacial gi'avel on 564 



Ayersville, Ohio, beach near 750-751 



783 



