gannet baldwin (2 risultati)

Hardcover. Condizione: Very Good+ with no dust jacket. Unmarked, stiffly bound. Crisp. ; Book Description; Spine has no signs of creasing. Pages are clean and not marred by notes or folds. Covers are square with minor wear. Ships Safe and Fast. Published without Dust Jacket. Rebound original paperback edition, red boards with guild lettering on spine. ; U. S. Geological Survey Bulletin; Vol. 399; 8vo 8" - 9" tall; 81 pages DZ2.

Paperback. Condizione: New. Print on Demand. This collection of precise and primary levelings throughout Pennsylvania from 1899 to 1905 offers vertical control for nearly one-quarter of the state's vast territory. It spans 42 counties and incorporates adjustments made in 1903 to the precise-level net of the eastern United States. The author includes a concise level description with elevations of bench marks established in the field and subsequently readjusted to mean sea level. An indispensable resource for engineers, surveyors, and anyone involved in infrastructure projects or geodetic research, this book provides crucial vertical control data for mapping, planning, and construction in Pennsylvania. Its extensive coverage and historical significance make it a valuable tool for understanding the state's landforms, elevation changes, and geodetic infrastructure. 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.