"Fort Pike (Hwy 11, Slidell, LA, USA)". Louisiana State Historical Marker; Listed in the National Register of Historic Places. StoppingPoints.com. July 27, 2009. Archived from the original on 2012-02-29. Retrieved 2024-04-24.
usgs.gov
pubs.usgs.gov
Connor, Paul, Jr.; Maygarden, Dinah; Penland, Shea. "Basin Geology - Bathymetry: Bathymetric Map of Lake Pontchartrain, Louisiana". Environmental Atlas of the Lake Pontchartrain Basin. Center for Coastal & Regional Marine Studies, Coastal & Marine Geology Program. USGS Open File Report 02-206. Archived from the original on 2023-12-01. Retrieved 2006-04-17.{{cite web}}: CS1 maint: multiple names: authors list (link)
"Martello Castle Background Information". Wetland Education through Maps and Aerial Photography. Chadron State College & USGS - National Wetlands Research Center. Archived from the original on 2005-05-04. Retrieved 2006-04-17.
Connor, Paul, Jr.; Maygarden, Dinah; Penland, Shea. "Basin Geology - Bathymetry: Bathymetric Map of Lake Pontchartrain, Louisiana". Environmental Atlas of the Lake Pontchartrain Basin. Center for Coastal & Regional Marine Studies, Coastal & Marine Geology Program. USGS Open File Report 02-206. Archived from the original on 2023-12-01. Retrieved 2006-04-17.{{cite web}}: CS1 maint: multiple names: authors list (link)
"Fort Pike (Hwy 11, Slidell, LA, USA)". Louisiana State Historical Marker; Listed in the National Register of Historic Places. StoppingPoints.com. July 27, 2009. Archived from the original on 2012-02-29. Retrieved 2024-04-24.