Harvey Slocum   was an American civil engineer and dam-building expert, known primarily for his part in the construction of Grand…

Harvey Slocum   was an American civil engineer and dam-building expert, known primarily for his part in the construction of Grand…

Harvey Slocum   was an American civil engineer and dam-building expert, known primarily for his part in the construction of Grand…

Harvey Slocum   was an American civil engineer and dam-building expert, known primarily for his part in the construction of Grand…

Harvey Slocum   was an American civil engineer and dam-building expert, known primarily for his part in the construction of Grand…

Harvey Slocum   was an American civil engineer and dam-building expert, known primarily for his part in the construction of Grand…

Harvey Slocum   was an American civil engineer and dam-building expert, known primarily for his part in the construction of Grand…

Harvey Slocum   was an American civil engineer and dam-building expert, known primarily for his part in the construction of Grand…