Contributions in geographical exploration . upancy. Aside from such places, the number of situationswhich can be relocated with ease is rather limited. Severalof the stations have been placed on a narrow neck connectinga peninsula with the mainland. Mountain and hill tops may belocated with ease and were much used. Such places are. however,to a large extent just the places most unfavorable for returningvegetation. Any station which can be seen for a distance isnecessarily in an exposed situation, and wind-sweep is such a 2(t The Ohio Journal of Science [Vol. XIX, No. 1, factor in retarding rev
Contributions in geographical exploration . upancy. Aside from such places, the number of situationswhich can be relocated with ease is rather limited. Severalof the stations have been placed on a narrow neck connectinga peninsula with the mainland. Mountain and hill tops may belocated with ease and were much used. Such places are. however,to a large extent just the places most unfavorable for returningvegetation. Any station which can be seen for a distance isnecessarily in an exposed situation, and wind-sweep is such a 2(t The Ohio Journal of Science [Vol. XIX, No. 1, factor in retarding revegetation, that such places will be thel-ist to be occupied by plants, whereas one would wish to placestations in the places that will be first taken up by new plants,if he could describe locations therein. The problem of marking the stations so that they may befound again is also one of considerable difficulty. If oneintended to follow the progress of returning vegetation only fora year or two, the customary wooden stakes would serve very. Photograph by D. B. ChurchTHE SUMMIT OF PILLAR Station 17. well. But where one wishes to follow the succession of vegeta-tion, as in the present case, the stations should be so markedthat they can be visited a hundred years hence, and this is amuch more difficult matter. It was planned in advance tomark the stations with iron pins, but when it was observed thatthe natives have a habit of gathering up any pieces of old ironthat might prove useful, such marks were seen to be even lesspermanent than wooden stakes. In no case where the stationsare located beside a fence, abandoned house, or other humanimprovement, will the marker last for any such period. It has Nov., 1918] Recovery of Vegetation at Kodiak 27 been necessary to trust that the land-hnc, represented by thefence, would be maintained and the fence renewed. Where thehne so chosen is the Hne of a government reservation, it isreasonable to expect that the line will b
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