Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Canal du Midi' has mentioned 'Salt' in the following places:
Occurrence Sentence Text Source
Nevertheless, Pierre-Paul Riquet, a wealthy collector of salt tax in Languedoc proposed a more convincing project than his predecessors.
Monseigneur, I wrote you from Perpignan, on the 28th of last month, on the subject of the collection of salt tax in Roussillon and today I am doing the same in this village, but on a subject far removed from that matter there.
It is on the design of a canal that could be done in the province of Languedoc for communication between the two seas Ocxc3xa9ane and Mediterranean, you will be surprised, my lord, that I undertake to tell you about something apparently I do not know and that a collector of salt tax mixes with levelling ...
It was difficult to implement a policy in this area and in particular to introduce taxes such as the salt tax.
In fact, Riquet proposed himself to implement the salt tax and to build the Canal du Midi.
The Languedoc region had many resources such as wheat, wine from Minervois, woollen cloth, silk, and salt which producers were struggling to export due to lack of trade.
The rest was to be paid by the State in exchange for profits that Riquet earned from the salt tax.