Title: Report.
Authors: Macdonald, Donald Francis, 1875-; Commission of engineers, Costa Rica.
Year: 1913
Contents: v.3. Appendix, no.2. Report of the physiography and general geology of the lower flood plain of the Sixaola river and the hills at and near Punta Mona, by D.F. MacDonald.--Appendix, no.3. Extra cts from reports and letters of assistant engineers to the Commission.