![With another $22 million, construction work set to begin at aging Ohio River lock-and-dam project | Pittsburgh Post-Gazette With another $22 million, construction work set to begin at aging Ohio River lock-and-dam project | Pittsburgh Post-Gazette](https://9b16f79ca967fd0708d1-2713572fef44aa49ec323e813b06d2d9.ssl.cf2.rackcdn.com/600x_a4-3_cTC/20201014emEmsworthLocksandDams09-7-1611339798.jpg)
With another $22 million, construction work set to begin at aging Ohio River lock-and-dam project | Pittsburgh Post-Gazette
![The submerged dam, also known as a fixed crest dam, at the Allegheny River Lock and Dam 2 is difficult to see from upstream and can be dangerous if boaters navigate too The submerged dam, also known as a fixed crest dam, at the Allegheny River Lock and Dam 2 is difficult to see from upstream and can be dangerous if boaters navigate too](https://c8.alamy.com/comp/2GKP3AT/the-submerged-dam-also-known-as-a-fixed-crest-dam-at-the-allegheny-river-lock-and-dam-2-is-difficult-to-see-from-upstream-and-can-be-dangerous-if-boaters-navigate-too-closely-to-it-the-pittsburgh-district-recently-added-horizontal-buoys-on-the-allegheny-and-at-the-dashields-lock-and-dam-on-the-ohio-river-to-provide-even-more-visible-signs-to-warn-recreational-boaters-from-going-over-the-dam-2GKP3AT.jpg)
The submerged dam, also known as a fixed crest dam, at the Allegheny River Lock and Dam 2 is difficult to see from upstream and can be dangerous if boaters navigate too
![DVIDS - Images - Helicopter flight over Pittsburgh District locks, dams, reservoirs [Image 21 of 49] DVIDS - Images - Helicopter flight over Pittsburgh District locks, dams, reservoirs [Image 21 of 49]](https://d1ldvf68ux039x.cloudfront.net/thumbs/photos/2307/7939678/1000w_q95.jpg)
DVIDS - Images - Helicopter flight over Pittsburgh District locks, dams, reservoirs [Image 21 of 49]
![DVIDS - Images - Helicopter flight over Pittsburgh District locks, dams, reservoirs [Image 18 of 49] DVIDS - Images - Helicopter flight over Pittsburgh District locks, dams, reservoirs [Image 18 of 49]](https://d1ldvf68ux039x.cloudfront.net/thumbs/photos/2307/7939675/2000w_q95.jpg)
DVIDS - Images - Helicopter flight over Pittsburgh District locks, dams, reservoirs [Image 18 of 49]
![DVIDS - Images - Helicopter flight over Pittsburgh District locks, dams, reservoirs [Image 25 of 49] DVIDS - Images - Helicopter flight over Pittsburgh District locks, dams, reservoirs [Image 25 of 49]](https://d1ldvf68ux039x.cloudfront.net/thumbs/photos/2307/7939682/2000w_q95.jpg)
DVIDS - Images - Helicopter flight over Pittsburgh District locks, dams, reservoirs [Image 25 of 49]
![Pittsburgh region's locks and dams, crucial to commodity transportation, struggle for funding and recognition | Pittsburgh Post-Gazette Pittsburgh region's locks and dams, crucial to commodity transportation, struggle for funding and recognition | Pittsburgh Post-Gazette](https://9b16f79ca967fd0708d1-2713572fef44aa49ec323e813b06d2d9.ssl.cf2.rackcdn.com/1140x_a10-7_cTC/Montgomery-Locks-and-Dam-3-1691883207.jpg)