Complex sentence: Dr. David T. Ansted was among the early geologists hired by potential investors to survey promising coal fields along the New River in southern Virginia in the United States, and in 1853, he helepd identify the rich bituminous coal seams which lay there.
Split into simpler sentences: Dr. David T. Ansted was among the early geologists hired by potential investors to survey promising coal fields along the New River in southern Virginia in the United States. In 1853, he helepd identify the rich bituminous coal seams which lay there.