Dubois spent substantial time and effort juggling his Trinil-related research and his teaching and curatorial obligations, but he was also an expert in water management, and in his archives there were more reprints of papers to do with hydrology than paleontology.
Eugène Dubois never returned to Amsterdam to live. For the first 2 years after his return to the Netherlands the family lived in The Hague, and then in 1897—when Dubois was appointed curator of the Palaeontological and Mineralogical Cabinet in the Teylers Museum—Dubois and his family moved to Haarlem. In the same year, Dubois was appointed Professor of Crystallography, Mineralogy, Geology and Paleontology at the University of Amsterdam. Although he kept the hominin fossils with him in Haarlem, the non-hominin fossils he had collected were in the Rijksmuseum van Natuurlijke Historie in Leiden. Dubois spent substantial time and effort juggling his Trinil-related research and his teaching and curatorial obligations, but he was also an expert in water management, and in his archives there were more reprints of papers to do with hydrology than paleontology. This is not evident from most descriptions of Dubois' career.