Temporal Changes in Lead Sources, Pettaquamscut River Basin, RI: 19th to 20th Century
It is clear that the sources of lead in the environment have changed over centuries. Mining/smelting were prominent at first, dating back to the Ancient Egyptians—given these operations were local, associated contamination was proximal to the source. Then as civilization entered the Industrial Age in the 19th Century, coal combustion added another source of lead…
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