As Australia's longest river, the Murray (and its tributary the Darling) became a focal point for 19th-century exploration driven by colonial expansion and resource assessment.
Explorers assessed the river's navigability for steamboats, hoping to link inland pastoral districts with coastal ports (Adelaide, Melbourne) and global markets.
The river's abundant native fish (Murray cod, golden perch) promised a viable export industry.
Fertile floodplains and reliable water suggested suitability for wheat, wool, and later irrigation crops (fruit, vines).
Riverine grasslands supported cattle and sheep, attracting squatters and pastoral companies.
Surrounding ranges held gold, copper, and stands of red gum timber for construction and fuel.
Naturalists documented flora, fauna, geology, and Indigenous knowledge.
Reports informed government decisions on land allocation, town sites, and infrastructure.
The Murray's promise as a "Mississippi of Australia" drove decades of exploration, ultimately shaping the Murray-Darling Basin's development.