how does the Algonquian organised
That is one of the spellings of Algonquian, also Algonquin, usually for the specific tribe or places and ships named for them. The language is almost always spelled Algonquian.
The Powhatan people spoke Powhatan or Virginia Algonquian, an extinct language belonging to the Eastern Algonquian subgroup of the Algonquian languages.
There's no such thing as a topography.
The topography of the ocean floor
topography
no they did not
Algonquian is not a tribe, it's a large grouping of tribes that speak Algonquian languages. Tribes in the Powhatan confederacy, which Pocahontas was part of, spoke an Algonquian dialect. That language is now extinct, though there are efforts to reconstruct it, which means they have an approximation of it based on historical word lists and still-existing Algonquian dialects.
A Iroquois home is a longhouse and a Algonquian's house is round.
Which Algonquian tribe was located in what in now known as Long Island?
A selection of articles related to River Topography
land has topography... not sharks