signed a treaty with Milz and a post was established on the site of the former Egyptian zeriba of Deleb. Milz began construction of the station while Roget, guided by Sultan Djabir, tried unsuccessfully to join Alphonse van Gèle in Yakoma. Roget had gone north as far as Mbili and Gangu, having heard that the country downstream was too dangerous. On 9 June 1890 he returned to Djabir. Roget left Djabir in July to return to Basoko, the Pool and Boma, leaving Milz in command with instructions to attempt the liaison with Yakoma. In July–August 1890 Milz and his assistant Mahutte and Sultan Djabir led 100 fusiliers and 400 lancers in an attempt to push through the non-submissive people along the right bank, but were forced to return to Djabir after nine days. In September Milz had to repel an attack by the Arabs under Kipanga-Panga. There are conflicting reports about who took the initiative, but it seems that Van Gèle heard of the presence of a European in Djabar on November 18 and set out via a roundabout route up the Uele, reaching the village of Gamanza on 2 December. The next day he met Milz, who was coming to meet him. This resolved the Ubangi-Uele question. Milz and Van Gèle heard that the Arabs were operating in the lower Bima River and on the Rubi River and set out for that region. In December 1890 they succeeded in expelling the Muslim traders. Nile Expedition (1891–1892) When Milz's term was over he went to Stanley Pool. There, in March 1891, Van Kerckhoven asked him to return to the Uele to become second in command of his expedition to the Nile. Milz accepted and was in Basoko by 26 March 1891. At the start of July most of the Van Kerckhoven expedition had gathered in Djabir, consisting of 15 Europeans and 500 Africans of the Force Publique. The vanguard, led by Pierre Ponthier, set off upstream on 7 July 1891. In August Milz was sent to visit Sultan Semio to obtain his help for the expedition. Milz sent Van Kerckhoven a message on 25 November announcing that Semio was now an ally, and on 25 November Milz and Semo arrived at Bomokandi camp with 600 soldiers and 500 porters. Orders were given for the march to the Nile. Ponthier, Semio and his soldiers would go by land, while Milz would