Abstract

Introduction

It would be inappropriate, at a meeting like this, to consider in detail the accuracy of the geodetic observations on which the investigations in the theory of isostasy are based, and to give detailed accounts of the methods employed in making investigations. Many articles have been published which deal with the geodetic observations and with the isostatic investigations which are, no doubt, familiar to you. They can be consulted by any one wishing to make an exhaustive study of the subject.2

I shall attempt to show what has been accomplished by the isostatic investigations. I shall also outline some conclusions of a geological nature which seem to be justified.

Extent of isostatic Investigations

The geodetic data on which the investigations of isostasy have been based are confined largely to the areas of the United States, Canada, and India. Investigations are now under way by geodetic organizations in other countries, . . .

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