Robert S Sigafoos (9 results)

Soft cover. Condition: Very Good. First Edition. Wrappers (Paperback). Ex-library but only indications are numbers on front cover in thin magic marker and a small library stamp (no pockets, spine slips, or withdrawal stamps). Very Good. Geological Survey Professional Paper 485-A.

Paperback. Condition: Good. Bull 1061-E, pp. 165-185+ 4 Photo Plts, Orig Grey Paperback, lacks pocket map else Good.

Condition: Very Good. Very Good condition. (nautral history, geology, nature, maryland, virginia) A copy that may have a few cosmetic defects. May also contain light spine creasing or a few markings such as an owner's name, short gifter's inscription or light stamp. Bundled media such as CDs, DVDs, floppy disks or access codes may not be included. …

Paperback. Condition: Very Good. USGS Bulletin 1061-E. Year 1958. Shelf wear, sun fading to spine and cover edges. Name inked to front cover. Interior is clean, lightly tanned. *All maps included*.

trade paperback. Condition: good; used. Prompt Shipment, shipped in Boxes, Tracking PROVIDEDsm4to; 75 pages; acceptable trade paperback; factory stapled spine; cover tear bottom edge back cover, scuff to face, few nicks to egdes, tips bumped; clean pages; prompt shipping with tracking.

Paperback. Condition: New. Print on Demand. This book takes you on an enthralling journey through the history of the Great Falls of the Potomac River, revealing the secrets hidden beneath its cascading waters. Delve into the geological forces that shaped this dramatic landscape, uncovering the layers of time imprinted in the rocks. The author guides you through the various formations, explaining how ancient ocean sediments, volcanic intrusions, and granite pushed their way to the surface over millions of years, culminating in the awe-inspiring falls we see today. Discover the impact of the river on human history, from the Native American tribes who revered it to the early settlers who saw it as a barrier and later, a source of power. Follow the story of the Patowmack Canal, constructed to overcome the treacherous falls, and witness the enduring struggle between the forces of erosion and the resilience of nature. The book weaves together the fascinating history of the falls with its geology, revealing how human civilization and the natural world have intertwined in this remarkable place. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…

Leatherbound. Condition: NEW. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt bands. A perfect gift for your loved ones. Reprinted from 1958 edition. NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set and contains approximately 38 pages. IF YOU WISH TO ORDER PARTICULAR VOLUME OR ALL THE VOLUMES YOU CAN CONTACT US. Resized as per current standards. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Language: English.…

Vegetation and hydrologic phenomena. A description of botanical methods used to determine dates and occurences of floods and deposition of sediment on modern flood plains. (= Geological Survey Professional Paper, 485-A) IV, 35 pp., 32 figures in the text. 4to. Orig. wrappers. Washington D. C., United States Government Printing Office 1964. …

as an aid in interpretation of geological data. (2) pp. 165-183 + 32 figs. + map and description of the boreal forset and some treeless vegetation. Washington, US Printing Office 1958. = Geological survey bulletin 1061-E.