Shields Branch

Shields Branch
Shields Branch
Native name	Rivière Saint-Roch ( Sainte-Perpétue, Chaudière-Appalaches, Quebec, MRC L'Islet Regional County Municipality, Chaudière-Appalaches, Quebec, in Canada
• coordinates	47°06′58″N 69°49′37″W / 47.11611°N 69.82694°W
• elevation	444 metres (1,457 ft)
Big Black River (Saint John River), Township T15 R15 WELS, Maine, United States
• coordinates	46°55′26″N 69°37′48″W / 46.92389°N 69.63000°W
• elevation	263 metres (863 ft)
Length	44.0 kilometres (27.3 mi)
Basin features
Tributaries
• right	Frontier brook

The Shields Branch (

Big Black River

, flowing in:

Saint-Pamphile, Quebec
;
Aroostook County
, Township T15 R15 Wels.

Its course is situated between the Rochu River (or “Little Saint Rock River”) (West side) and the Gagnon River (West side). This river flows in forested area in a valley encircled by Notre Dame Mountains.

From its source (47°06′58″N 69°49′37″W / 47.116°N 69.827°W / 47.116; -69.827 (Rivière Saint-Roch source)), in

Big Black River

in T 14, R 15.

Geography

The upper part of the "Saint Roch River" begins in

Sainte-Perpétue, Chaudière-Appalaches, Quebec in the L'Islet Regional County Municipality

(RCM). This source is located at:

15.0 kilometres (9.3 mi) Northwest of the border between Quebec and Maine;
9.8 kilometres (6.1 mi) Northeast from the village of
Sainte-Perpétue, Chaudière-Appalaches, Quebec
;
35.3 kilometres (21.9 mi) Northwest from the confluence of the Saint-Roch River;
35.0 kilometres (21.7 mi) Southeast of the village center of Saint-Jean-Port-Joli, Quebec.

St. Roch river flows on 44.0 kilometres (27.3 mi) according to the following segments:

Upper river course (segment of 27.6 kilometres (17.1 mi) in Quebec)

From the source in the mountains, the Saint-Roch river flows:

8.1 kilometres (5.0 mi) to the South in
Sainte-Perpétue, Chaudière-Appalaches, Quebec, cutting the path of range Taché East, up to the boundary of the municipality of Saint-Omer
;

1.6 kilometres (0.99 mi) to the South in

Sainte-Perpétue, Chaudière-Appalaches, Quebec

;

150 metres (490 ft) to the South in
Sainte-Perpétue, Chaudière-Appalaches, Quebec, up to the confluence of the Saint-Roch Nord River
(from the West);

0.8 kilometres (0.50 mi) to the Southeast, up to the boundary of the municipality of

Saint-Pamphile, Quebec

;

2.8 kilometres (1.7 mi) (or 1.5 kilometres (0.93 mi) in direct line), winding towards the Southeast, up to the bridge of the "Little North range";

2.1 kilometres (1.3 mi) (or 1.5 kilometres (0.93 mi) in direct line), winding towards the Southeast, up to the bridge of the range of Pelletier;

7.3 kilometres (4.5 mi) (or 3.1 kilometres (1.9 mi) in direct line), winding towards the Southeast and straddling the boundary between

Saint-Pamphile, Quebec

, up to the bridge of the range of Gagnon;

2.3 kilometres (1.4 mi) (or 1.4 kilometres (0.87 mi) in direct line), winding towards the Southeast, up to the bridge of 6th range;

1.6 kilometres (0.99 mi) to the Southeast, up to the confluence of the Gagnon River (Saint Roch River) (from the Southwest);
0.8 kilometres (0.50 mi) to the Southeast, up to the border between Quebec and Maine.

Lower course of the river (segment 16.4 kilometres (10.2 mi) in Maine designated "Shields Branch")

From the border between Quebec and Maine, the "Shields Branch" runs on:

2.0 kilometres (1.2 mi) to the Southeast in the Maine, up to the "Little Saint-Roch River" (from the Northeast). Note: This river takes its source in Quebec where it is designated Rochu River;
9.3 kilometres (5.8 mi) (or 4.7 kilometres (2.9 mi) in direct line) to the Southeast, winding end segment up to the highway bridge;
5.1 kilometres (3.2 mi) (or 2.3 kilometres (1.4 mi) in direct line) up to the Southeast, winding up to the confluence of the river.^[1]

The "Shields Branch" flows into a river curve on the North bank of the

Aroostook County

. This confluence is located:

8.5 kilometres (5.3 mi) Southeast of the border between Canada and U.S.
13.7 kilometres (8.5 mi) West of the confluence of the
Big Black River
11.6 kilometres (7.2 mi) Southeast of the village center of
Saint-Pamphile, in Quebec