Quick answer
A first edition of Report of the Exploring Expedition to the Rocky Mountains, and to Oregon and North California by John C. Frémont (Gales and Seaton, printers, by order of the Senate, 1845) is identified by: Washington, 1845, issued in two congressional forms that must be told apart: the Senate Executive Document No. The Senate document (No.
Checklist — a true first has these:
- Washington, 1845, issued in two congressional forms that must be told apart: the Senate Executive Document NoP-035260
- 174 (28th Congress, 2nd session), printed by Gales and Seaton, and the House Document NoP-035261
- 166, printed by Blair and RivesP-035262
- The Senate issue is the fuller and prior form, including the astronomical and meteorological observations and tables that are omitted from the House issue and from later commercial reprintsP-035263
- It collates at 693 pages with 26 plates and four maps, two of them folding, including the large map of Oregon and Upper CaliforniaP-035264
- A copy's title-page imprint and the presence or absence of the tabular observations at the rear identify which congressional issue it isP-035265
- Publisher imprint reads Gales and Seaton, printers, by order of the Senate
| Author | John C. Frémont |
|---|---|
| Publisher | Gales and Seaton, printers, by order of the Senate |
| Year | 1845 |
| True first | — |
| Format | Hardcover (trade) |
| Key point | Washington, 1845, issued in two congressional forms that must be told apart: the Senate Executive Document No |
| Book-club edition exists? | — |
The points of issue
- Washington, 1845, issued in two congressional forms that must be told apart: the Senate Executive Document No
- 174 (28th Congress, 2nd session), printed by Gales and Seaton, and the House Document No
- 166, printed by Blair and Rives
- The Senate issue is the fuller and prior form, including the astronomical and meteorological observations and tables that are omitted from the House issue and from later commercial reprints
- It collates at 693 pages with 26 plates and four maps, two of them folding, including the large map of Oregon and Upper California
- A copy's title-page imprint and the presence or absence of the tabular observations at the rear identify which congressional issue it is
How to confirm the first-printing statement
Publishers stated first printings differently by era. The decisive tells are a printed “First Edition/First Printing” statement, a number line whose lowest number is 1 (Random House ends at 2), or a dated first printing with no later printings listed. Paste your copyright page into the number-line decoder.
How to verify your copy, step by step
- Find the copyright page — the verso (back) of the title page.
- Check for a number line or dated printing — the lowest number present is the printing; a dated first printing with no later printings listed is the tell.
- Rule out a book-club edition — a blind-stamp on the rear board or a jacket with no printed price marks a book-club copy.
- Photograph four things — the front cover, spine, title page, and copyright page — the standard record for identification.
The dust jacket
For a collectible first edition the dust jacket matters as much as the book. Confirm the jacket is present and unclipped — the printed price should still be at the corner of the flap (a clipped corner or a price-less flap can indicate a book-club issue). First-state jackets can differ from later ones in the cover art, blurbs, or review quotations; where a specific first-state jacket point is known for this title it is noted above.
Binding & format
Where multiple bindings exist, the hardcover trade issue is usually (but not always) the precedence copy — confirm against the points above. Later printings often show cheaper cloth, thinner boards, or simplified spine stamping. A simultaneous signed or limited issue, when one exists, is a distinct state from the trade first.
Is this the true first?
The Senate document (No. 174) precedes and is more complete than the House document (No. 166); both appeared in 1845, but the Senate issue is the form treated as the true first.P-035266
Telling it from reprints & book-club editions
D. Appleton & Co. issued a commercial trade reprint of the report as early as 1846 under the altered title "Narrative of the Exploring Expedition to the Rocky Mountains...," dropping the Senate document's astronomical and meteorological tables and the congressional-document format; this and similar commercial reprints from other publishers in the years that followed should not be mistaken for either 1845 congressional issue.P-035267
Frequently asked questions
Is my copy of Report of the Exploring Expedition to the Rocky Mountains, and to Oregon and North California a first edition?
A first edition of Report of the Exploring Expedition to the Rocky Mountains, and to Oregon and North California by John C. Frémont (Gales and Seaton, printers, by order of the Senate) is identified by: Washington, 1845, issued in two congressional forms that must be told apart: the Senate Executive Document No.
How do I tell the first printing from a later one?
Check the copyright page. A stated first edition, a number line ending in 1, or a dated first printing with no later printings listed is the key. The Senate document (No.
Is the book-club edition the same as the first?
D. Appleton & Co. issued a commercial trade reprint of the report as early as 1846 under the altered title "Narrative of the Exploring Expedition to the Rocky Mountains...," dropping the Senate document's astronomical and meteorological tables and the congressional-document format; this and similar commercial reprints from other publishers in the years that followed should not be mistaken for either 1845 congressional issue.
I have a first edition of Report of the Exploring Expedition to the Rocky Mountains, and to Oregon and North California — what should I do?
First, document the copy: photograph the copyright page (the number line and any edition statement) and the dust-jacket flap — an unclipped, priced jacket matters. Confirm the points of issue above against your copy, and use the free First Edition Checker to decode the printing. To sell, the author’s collecting guide covers the market. And if you are clearing books in the Albuquerque area, the New Mexico Literacy Project offers free pickup, any condition, and makes sure collectible copies are identified rather than discarded.
Glossary
- First edition
- Every copy printed from the first setting of type. Collectors usually want the first edition, first printing (the true first).
- First printing / impression
- A single press run from that setting. The first printing is the earliest and most desirable; later printings are still the first edition but not the true first.
- Number line (printer's key)
- A row of numbers on the copyright page (e.g. 10 9 8 7 6 5 4 3 2 1). The lowest number present is the printing — a line including 1 marks a first printing (Random House deliberately ends at 2).
- Points of issue
- Specific physical details — a stated edition, a number line, a typo, a jacket state — that identify the true first printing.
- Book-club edition (BCE)
- A reprint made for a book club. Tells include a blind-stamped dot or square on the rear board and a dust jacket with no printed price. Not the true first.
- First thus
- The first appearance of a particular version (first paperback, first illustrated, first U.S. printing) — a first of that kind, not the first edition of the work.
Related first editions
- The Way West — A. B. Guthrie Jr.
- The Big Sky — A.B. Guthrie Jr.
- A Sand County Almanac — Aldo Leopold
- A Sand County Almanac and Sketches Here and There — Aldo Leopold
- The Lovely Bones — Alice Sebold
- An American Childhood — Annie Dillard
- Encounters with Chinese Writers — Annie Dillard
- For the Time Being — Annie Dillard
How to cite this page
New Mexico Literacy Project. “Is Report of the Exploring Expedition to the Rocky Mountains, and to Oregon and North California by John C. Frémont a First Edition? Points of Issue.” NMLP First-Edition Identification Reference. Reviewed 4 July 2026. Retrieved from https://newmexicoliteracyproject.org/first-edition/report-of-the-exploring-expedition-to-the-rocky-mountains-an. Licensed CC BY 4.0 — part of the open Canonical First-Edition Points of Issue dataset (DOI 10.5281/zenodo.21184548).