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brought to concur with the Prerogative orLegislators, I cannot determine.

3 dly, It can hardly be expected, that anUndertaking of this Nature should meetwith any Encouragement from the Pro-prietors, whose Dispositions, and particularInterests are so various, that it would takeup a Man’s Age to bring a sufficient Num-ber of them to any tolerable Agreementfor carrying on so useful an Affair ; norcan there be any thing better expected, Iam afraid, sron- the mineral .Companies ofthis Kingdom.

^thly i But should i,t happen that theseCompanies, and other publick-spirited Men,would enter into a Subscription to carry onthis Affair; by what Me^ns could theyobtain Leave, to survey and examinethe Mountaips and Lands which would berequisite to make such a Work perfect andCOmpleat, as they are oftentimes the Pro-perty pf several Persops > And though oneor more of the Owners or Proprietors wouldgive Leave for this Purpose, yet it might;perhaps happen to be opposed by others;which would frustrate such a good Inten-tion, notwithstanding it undoubtedly tendedto the Advantage of all.

5 thly, Supposing it were possible, with-out the JHIeips I have mentioned, that asufficient Collection of Materials could be,obtained for tfiis Purpose; and that all the‘ l ' ’ ■ " 1 ‘ bthejf