Accession Number : AD0701617

Title :   PERMANENT BENCHMARKS IN PERMAFROZEN FINE-GRAINED SOILS.

Corporate Author : ARCTIC CONSTRUCTION AND FROST EFFECTS LAB BOSTON MASS

Report Date : MAY 1957

Pagination or Media Count : 17

Abstract : The problem of satisfactory benchmarks is common to all agencies doing engineering or investigational work in Alaska and other permafrost areas. This report presents a brief review of past experience and behavior of known benchmark installations in permafrost, together with the best recommendations for benchmark installations presently known. (Author)

Descriptors :   (*MAPPING, ALASKA), (*VISUAL SIGNALS, *PERMAFROST), TRIANGULATION, SOILS, PIPES, IRON, SPECIFICATIONS

Subject Categories : Cartography and Aerial Photography
      Snow, Ice and Permafrost

Distribution Statement : APPROVED FOR PUBLIC RELEASE