![Jeremy surfaces with more great photos](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516563255713-3LYNY8D0L48CDM6SZ6QF/Jerry+on+surface.jpg)
Jeremy surfaces with more great photos
![PVC piping kindly donated by PolyPipe was used for constructing the dredge](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516563398092-JF2IK6569710XH6TKTUS/poly+pipes+in+use+view+towards+grid+c.jpg)
PVC piping kindly donated by PolyPipe was used for constructing the dredge
![One of the iron cannons](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564220254-DZPB5XSUQ6TSJZUQXFKJ/cannons+11+c.jpg)
One of the iron cannons
![The back half of one of the iron cannons](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564196691-FAU3FT8WQTBY427NCSQS/bach+third+of+cannon+c.jpg)
The back half of one of the iron cannons
![Two of the iron cannons. Five were located](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564250489-66NQDTDUC4VZE5V5CLZB/cannons+3+c.jpg)
Two of the iron cannons. Five were located
![The cannons are heavily concreted](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564287252-WSQ7XTSLUAJBE7AEZ8RD/cannons+4+c.jpg)
The cannons are heavily concreted
![The cannons are so concreted it was not possible to take accurate measurements of the muzzle](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564329262-O7SD5C0O62Z4NLC0WCEH/cannons+c.jpg)
The cannons are so concreted it was not possible to take accurate measurements of the muzzle
![The group of 3 cannons](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564368902-9ABUGXKSSC2VBKLJXOX1/cannon%2C+with+two+more+in+background+c.jpg)
The group of 3 cannons
![The sea urchins move in, they like to hang out around and on the cannons](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564369574-37V7N9GSKSRU3J6ADFBX/cannons+%26+sea+urchins+c.jpg)
The sea urchins move in, they like to hang out around and on the cannons
![Louis beside the cannon](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564370597-ZP1GGOIN9USO9RKQQ1DS/diver+next+to+cannon+c.jpg)
Louis beside the cannon
![Concretions and coral muddles the true contours of the cannons](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564372055-Y9W9PDXA5O4CMP1IE1SC/two+cannons+c.jpg)
Concretions and coral muddles the true contours of the cannons
![Jason busy on the dredge head](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564811214-0VFS49DPRO4UV8702XAL/Jason+on+dredge+a+B.jpg)
Jason busy on the dredge head
![Christine investigates. Finns up high at all times so as to not damage the wreck or ruin the visibility](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564902843-7N9QDODZ9PFZJUA8PFT1/Christine+on+grid+Aqua+Scan+camera+in+forground+c.jpg)
Christine investigates. Finns up high at all times so as to not damage the wreck or ruin the visibility
![Florence at the dredge head](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516565047349-JJUBNX5EES8E47ZAB96C/Flo+next+to+dredge+B.jpg)
Florence at the dredge head
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![Jeremy surfaces with more great photos](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516563255713-3LYNY8D0L48CDM6SZ6QF/Jerry+on+surface.jpg)
![PVC piping kindly donated by PolyPipe was used for constructing the dredge](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516563398092-JF2IK6569710XH6TKTUS/poly+pipes+in+use+view+towards+grid+c.jpg)
![One of the iron cannons](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564220254-DZPB5XSUQ6TSJZUQXFKJ/cannons+11+c.jpg)
![The back half of one of the iron cannons](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564196691-FAU3FT8WQTBY427NCSQS/bach+third+of+cannon+c.jpg)
![Two of the iron cannons. Five were located](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564250489-66NQDTDUC4VZE5V5CLZB/cannons+3+c.jpg)
![The cannons are heavily concreted](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564287252-WSQ7XTSLUAJBE7AEZ8RD/cannons+4+c.jpg)
![The cannons are so concreted it was not possible to take accurate measurements of the muzzle](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564329262-O7SD5C0O62Z4NLC0WCEH/cannons+c.jpg)
![The group of 3 cannons](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564368902-9ABUGXKSSC2VBKLJXOX1/cannon%2C+with+two+more+in+background+c.jpg)
![The sea urchins move in, they like to hang out around and on the cannons](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564369574-37V7N9GSKSRU3J6ADFBX/cannons+%26+sea+urchins+c.jpg)
![Louis beside the cannon](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564370597-ZP1GGOIN9USO9RKQQ1DS/diver+next+to+cannon+c.jpg)
![Concretions and coral muddles the true contours of the cannons](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564372055-Y9W9PDXA5O4CMP1IE1SC/two+cannons+c.jpg)
![Jason busy on the dredge head](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564811214-0VFS49DPRO4UV8702XAL/Jason+on+dredge+a+B.jpg)
![Christine investigates. Finns up high at all times so as to not damage the wreck or ruin the visibility](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516564902843-7N9QDODZ9PFZJUA8PFT1/Christine+on+grid+Aqua+Scan+camera+in+forground+c.jpg)
![Florence at the dredge head](https://images.squarespace-cdn.com/content/v1/56413cb5e4b07ea8de568d0e/1516565047349-JJUBNX5EES8E47ZAB96C/Flo+next+to+dredge+B.jpg)