| Page Title | User Notes | Actions |
|---|
| Letter from C. C. Parry to Dr. I. A. Lapham | No notes | Completed |
| Letter from F. G. Parks to I. A. Lapham and Letter from I. A. Lapham to N. H. Winchell | No notes | Completed |
| Letter from I. A. Lapham to N. H. Winchell, Diary Entry, and Chief Geologist Appointment | No notes | Completed |
| Letter from J. W. Foster to Mr. Lapham | No notes | Completed |
| Letter from I. A. Lapham to C. C. Washburn and Letter from N. H. Winchell to Dr. I. A. Lapham | No notes | Completed |
| Letter from I. A. Lapham to B. H. Edgerton and Letter from P. R. Hoy to Dr. Lapham | No notes | Completed |
| Letter from I. A. Lapham to Maj. C. B. Comstock | No notes | Completed |
| Letter from C. B. Comstock to I. A. Lapham and Letter from T. H. Safford to Dr. I. A. Lapham | No notes | Completed |
| Letter from I. A. Lapham to Moses Strong, Letter from J. G. Foster to Maj. C. B. Comstock, and Letter from I. A. Lapham to C. C. Washburn | No notes | Completed |
| Letter from I. A. Lapham to W. H. Canfield | No notes | Completed |
| Letter from N. H. Winchell to D. I. A. Lapham and Letter from I. A. Lapham to General A. A. Humphreys, p. 1 | No notes | Completed |
| p. 2 | No notes | Completed |
| Letter from A. A. Humphreys to Dr. I. A. Lapham | No notes | Completed |
| p. 1 | No notes | Completed |
| p. 2 | No notes | Completed |
| Letter from I. A. Lapham to Roland D. Irving and Letter from I. A. Lapham to T. C. Chamberlin, p. 1 | No notes | Completed |
| Letter from I. A. Lapham to T. C. Chamberlin, p. 2 and Letter from I. A. Lapham to Moses Strong, p. 1 | No notes | Completed |
| Letter from I. A. Lapham to Moses Strong, p. 2 | No notes | Completed |
| Letter from I. A. Lapham to Moses Strong, p. 3 and Letter from I. A. Lapham to C. C. Washburn | No notes | Completed |
| Letter from Roland Irving to Dr. I. A. Lapham and Letter from A. K. S. Shepard to I. A. Lapham | No notes | Completed |
| Letters from John C. Brown to Dr. I. A. Lapham | No notes | Completed |
| Letter from John C. Brown to Dr. I. A. Lapham and Letter from I. A. Lapham to A. C. May, p. 1 | No notes | Completed |
| Letter from I. A. Lapham to A. C. May, p. 2 | No notes | Completed |
| Letter from I. A. Lapham to A. C. May, p. 3, Diary Entry, and Letter from I. A. Lapham to Professor James D. Dans | No notes | Completed |
| Letter from George W. Dawson to Dr. I. A. Lapham | No notes | Completed |
| On the Relation of The Wisconsin Geological Survey to Agriculture, p. 1 | No notes | Completed |
| On the Relation of The Wisconsin Geological Survey to Agriculture, p. 2 | No notes | Completed |
| On the Relation of The Wisconsin Geological Survey to Agriculture, p. 3 | No notes | Completed |
| On the Relation of The Wisconsin Geological Survey to Agriculture, p. 4 | No notes | Completed |
| Letter from George H. Cook to I. A. Lapham and Diary Entries, p. 1 | No notes | Completed |
| Diary Entries, p. 2 | No notes | Completed |
| Diary Entries, p. 3 | No notes | Completed |
| Diary Entries, p. 4 | No notes | Completed |
| Diary Entries, p. 5 | No notes | Completed |
| Diary Entries, p. 6 | No notes | Completed |
| Diary Entries, p. 7 | No notes | Completed |
| Diary Entries, p. 8 | No notes | Completed |
| Diary Entries, p. 9 | No notes | Completed |
| Diary Entries, p. 10 | No notes | Completed |
| Diary Entries, p. 11 | No notes | Completed |
| Diary Entries, p. 12 Letter from I. A. Lapham to His (unnamed) Brother, and Letter from I. A. Lapham to H. W. Howgate | No notes | Completed |
| Auroral Arch | No notes | Completed |
| Letter from I. A. Lapham to His (unnamed) Brother and Letter from I. A. Lapham to Edmund S. Andrews | No notes | Completed |
| The Great Elephant Mound, p. 1 | No notes | Completed |
| The Great Elephant Mound, p. 2 and Letter from H. N. Patterson to I. A. Lapham | No notes | Completed |
| Letter from I. A. Lapham to H. F. Dousman | No notes | Completed |
| Letter from H. A. Tenney to I. A. Lapham and Letter from T. C. Chamberlin to I. A. Lapham | No notes | Completed |
| Letter from S. G. Lapham to His (unnamed) Uncle, p 1 | No notes | Completed |
| Letter from S. G. Lapham to His (unnamed) Uncle, p 2 | No notes | Completed |
| Letter from T. C. Chamberlin to I. A. Lapham and Letter from H. W. Hoyt to Doctor [Lapham] | No notes | Completed |
| Letter from W. W. Daniells to I. A. Lapham | No notes | Completed |
| Letter from I. A. Lapham to Moses Strong and Letter from Moses Strong to I. A. Lapham | No notes | Completed |
| Letter from C. Caverno to Mr. Lapham and Letter W. W. Daniells to I. A. Lapham, p. 1 | No notes | Completed |
| Letter W. W. Daniells to I. A. Lapham, p. 2 and Letter from C. V. Riley to I. A. Lapham | No notes | Completed |
| Letter from Oliver Marcy to I. A. Lapham and Letter from Jas. D. Dana to Dr. I. A. Lapham | No notes | Completed |
| Letter from J. C. Pickard to Dr. Lapham and Letter from F. W. Case to Hon. I. A. Lapham | No notes | Completed |
| Letters from Roland D. Irving to I. A. Lapham | No notes | Completed |
| Diary Entry and Letter from C. A. White to Dr. I. A. Lapham, p. 1 | No notes | Completed |
| C. A. White to Dr. I. A. Lapham, p. 2 | No notes | Completed |
| p. 1 | No notes | Completed |
| p. 2 | No notes | Completed |
| p. 3 | No notes | Completed |
| p. 4 | No notes | Completed |
| Letter from I. A. Lapham to L. Blodgett and Letter from I. A. Lapham to Dr. E. Foreman | No notes | Completed |
| Letter from I. A. Lapham to Prof. J. Henry and Letter from I. A. Lapham to Joseph Henry | No notes | Completed |
| Letters from I. A. Lapham to Prof. Joseph Henry and Letter from Joseph Henry to I. A. Lapham | No notes | Completed |
| p. 1 | No notes | Completed |
| p. 2 | No notes | Completed |
| p. 3 | No notes | Completed |
| p. 4 | No notes | Completed |
| p. 1 | No notes | Completed |
| p. 2 | No notes | Completed |
| p. 1 | No notes | Completed |
| p. 2 | No notes | Completed |
| p. 3 | No notes | Completed |
| p. 4 | No notes | Completed |
| p. 5 | No notes | Completed |
| p. 6 | No notes | Completed |
| p. 7 | No notes | Completed |
| p. 8 | No notes | Completed |
| p. 9 | No notes | Completed |
| p. 10 | No notes | Completed |
| p. 11 | No notes | Completed |
| p. 12 | No notes | Completed |
| p. 13 | No notes | Completed |
| p. 14 | No notes | Completed |
| p. 15 | No notes | Completed |
| p. 16 | No notes | Completed |
| p. 17 | No notes | Completed |
| p. 1 | No notes | Completed |
| p. 2 | No notes | Completed |
| p. 3 | No notes | Completed |
| p. 4 | No notes | Completed |
| p. 5 | No notes | Completed |
| p. 6 | No notes | Completed |
| p. 7 | No notes | Completed |
| p. 8 | No notes | Completed |
| p. 9 | No notes | Completed |
| p. 10 | No notes | Completed |
| p. 11 | No notes | Completed |
| p. 12 | No notes | Completed |
| p. 13 | No notes | Completed |
| p. 14 | No notes | Completed |
| p. 15 | No notes | Completed |
| p. 1 | No notes | Completed |
| p. 2 | No notes | Completed |
| p. 3 | No notes | Completed |
| p. 4 | No notes | Completed |
| p. 5 | No notes | Completed |
| p. 6 | No notes | Completed |
| p. 7 | No notes | Completed |
| p. 8 | No notes | Completed |
| p. 9 | No notes | Completed |
| p. 10 | No notes | Completed |
| p. 11 | No notes | Completed |
| p. 12 | No notes | Completed |
| p. 13 | No notes | Completed |
| p. 14 | No notes | Completed |
| p. 15 | No notes | Completed |
| p. 16 | No notes | Completed |
| p. 17 | No notes | Completed |
| p. 18 | No notes | Completed |
EN