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Railroad signal at Patapsco Valley State Park [01]
![Railroad signal at Patapsco Valley State Park [01]](../../../../i/upload/2024/07/18/20240718213526-eaf789a7-cu_s9999x250.jpg "Railroad signal at Patapsco Valley State Park [01] (6723 visits) Modern Industries railroad signal and crossbuck on Gun Road, at one of the exits for Patapsco Valley...")
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Railroad signal at Patapsco Valley State Park [02]
![Railroad signal at Patapsco Valley State Park [02]](../../../../i/upload/2024/07/18/20240718213530-75fc4d73-cu_s9999x250.jpg "Railroad signal at Patapsco Valley State Park [02] (4316 visits) Modern Industries railroad signal and crossbuck on Gun Road, at one of the exits for Patapsco Valley...")
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WTBO sign [09]
![WTBO sign [09]](../../../../i/upload/2024/07/18/20240718215937-a9bbc9d1-cu_s9999x250.jpg "WTBO sign [09] (2360 visits) "WTBO" in red and white channel letters at WTBO's office and transmitter site on Wills Mou...")
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WTBO sign [08]
![WTBO sign [08]](../../../../i/upload/2024/07/18/20240718215941-b4a47bbc-cu_s9999x250.jpg "WTBO sign [08] (2464 visits) "WTBO" in red and white channel letters at WTBO's office and transmitter site on Wills Mou...")
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WTBO sign [10]
![WTBO sign [10]](../../../../i/upload/2024/07/18/20240718220134-3cb35edc-cu_s9999x250.jpg "WTBO sign [10] (2434 visits) "WTBO" in red and white channel letters at WTBO's office and transmitter site on Wills Mou...")