Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Significance: The Cincinnati is a "dipper dredge," particularly suited to the shallow, rocky conditions of American inland waterways. The dredge operated for 78 years on the Ohio River and its tributaries. Th More
Picryl description: Public domain image of boy workers, child labor, working children, economic conditions, free to use, no copyright restrictions.
Picryl description: Public domain image of boy workers, child labor, working children, economic conditions, free to use, no copyright restrictions.
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More
Significance: Built in 1856, the Seven-Foot Knoll Lighthouse was the second screwpile structure built by the U.S. Lighthouse Service. The present structure contains some elements of the original cast-iron stru More