...the geological structure of the rocks containing it is of prime importance. The localities where each occurs require description ; the arrangement, relations...comprehensive in character and concise in statement. This work cannot be weighted with the details of only local interest, as this would extend the account...

...the deposits must be defined ; the origin and the properties discussed ; the accessibility and values determined ; the uses of the substances, the nature...and status, both present and probable future of the different industries fully considered. A complete report on each special subject is therefore comprehensive...

...investigation of any special mineral substance necessitates a careful consideration of the entire subject. At the outset a clear understanding of the geological...present and probable future, of the industries connected should be fully considered. A report on each special subject must, therefore, be comprehensive in character...

...investigation of any special mineral substance necessitates a careful consideration of the entire subject. At the outset a clear understanding of the geological...present and probable future, of the industries connected should be fully considered. A report on each special subject must, therefore, be comprehensive in character...

...the geological structure of the rocks containing it is of prime importance. The localities where each occurs require description ; the arrangement, relations...comprehensive in character and concise in statement. This work cannot be weighted with the details of only local interest, as this would extend the account...

...the deposits must be denned ; the origin and the properties discussed ; the accessibility and values determined ; the uses of the substances, the nature...and status, both present and probable future of the different industries fully considered. A complete report on each special subject is therefore comprehensive...

...the geological structure of the rocks containing it is of prime importance. The localities where each occurs require description; the arrangement, relations...comprehensive in character and concise in statement. This work cannot be weighted with the details of only local interest, as this would extend the account...