"Follow along as a fictional researcher observes and makes journal entries about their field trip down the Mississippi River ecosystem . . . photographs highlight the animals, plants, and people that inhabit one of the world's major river systems. Simple graphs show facts about the river, and the final report describes efforts being made to preserve it"--Provided by publisher.
year: 2018
call number/section: 551.48, 574.53, 577.6
subjects: mississippi river, juvenile literature, biotic communities, mississippi river, juvenile literature, stream ecology, ecology