This category is within the scope of WikiProject Brazil, a collaborative effort to improve the coverage of Brazil and related topics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.BrazilWikipedia:WikiProject BrazilTemplate:WikiProject BrazilBrazil articles
This category is within the scope of WikiProject Rivers, a collaborative effort to improve the coverage of Rivers on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.RiversWikipedia:WikiProject RiversTemplate:WikiProject RiversRiver articles
This category is part of WikiProject Argentina, an attempt to expand, improve and standardise the content and structure of articles related to Argentina. If you would like to participate, you can improve Tributaries of the Paraná River, or sign up and contribute to a wider array of articles like those on our to do list.ArgentinaWikipedia:WikiProject ArgentinaTemplate:WikiProject ArgentinaArgentine articles
This category is part of WikiProject Paraguay, an attempt to expand, improve and standardise the content and structure of articles related to Paraguay. If you would like to participate, you can improve Tributaries of the Paraná River, or sign up and contribute to a wider array of articles like those on our to do list.ParaguayWikipedia:WikiProject ParaguayTemplate:WikiProject ParaguayParaguay articles
