diff --git a/languages/en.lang b/languages/en.lang
index 428b696..224c396 100644
--- a/languages/en.lang
+++ b/languages/en.lang
@@ -25,6 +25,7 @@ map_otm				= Open Topo Map
 map_ign_france		= IGN (France)
 map_ign_spain		= IGN (Spain)
 map_linz			= LINZ (New Zealand)
+map_usgs			= USGS (USA)
 
 pic					= Picture
 pics				= Pictures
@@ -47,4 +48,8 @@ start				= Start
 end					= End
 
 date_time			= $0 at $1
-time_zone			= Time zone
\ No newline at end of file
+time_zone			= Time zone
+
+unit_day			= day
+unit_days			= days
+unit_hour			= h
\ No newline at end of file
diff --git a/languages/fr.lang b/languages/fr.lang
index d85f154..c0e0217 100644
--- a/languages/fr.lang
+++ b/languages/fr.lang
@@ -25,6 +25,7 @@ map_otm				= Open Topo Map
 map_ign_france		= IGN (France)
 map_ign_spain		= IGN (Espagne)
 map_linz			= LINZ (Nouvelle-Zélande)
+map_usgs			= USGS (États-Unis)
 
 pic					= Photo
 pics				= Photos
@@ -47,4 +48,8 @@ start				= Départ
 end					= Arrivée
 
 date_time			= $0 à $1
-time_zone			= Fuseau horaire
\ No newline at end of file
+time_zone			= Fuseau horaire
+
+unit_day			= jour
+unit_days			= jours
+unit_hour			= h
\ No newline at end of file
diff --git a/masks/project.html b/masks/project.html
index 89a808f..5a71656 100644
--- a/masks/project.html
+++ b/masks/project.html
@@ -213,6 +213,7 @@ function initSpotMessages(aoMessages, aoTracks) {
 	aoLayers[oSpot.lang('map_ign_france')]	= L.tileLayer(self.tmp('tile_api'), {id: 'ign.fr', minZoom: 0, maxZoom: 18, tileSize: 256});
 	aoLayers[oSpot.lang('map_ign_spain')]	= L.tileLayer(self.tmp('tile_api'), {id: 'ign.es', minZoom: 1, maxZoom: 20});
 	aoLayers[oSpot.lang('map_linz')]		= L.tileLayer(self.tmp('tile_api'), {id: 'linz', maxZoom: 17, continuousWorld: true, attribution: 'Sourced from LINZ. CC BY 4.0'});
+	aoLayers[oSpot.lang('map_usgs')]		= L.tileLayer(self.tmp('tile_api'), {id: 'usgs', minZoom: 1, maxZoom: 16});
 	
 	//Map
 	var oMap = L.map(self.tmp('$Map')[0], {
@@ -307,26 +308,34 @@ function initSpotMessages(aoMessages, aoTracks) {
 					
 					var iSpeedCorrecRatio = 0;
 					var iAngle = iElevDelta / iSegDistance;
-					if(iAngle < -1) iSpeedCorrecRatio = 0.5;
-					else if(iAngle < -0.2) iSpeedCorrecRatio = 1.25;
-					else if(iAngle < 0.1) iSpeedCorrecRatio = 1;
-					else if(iAngle < 0.25) iSpeedCorrecRatio = 0.85;
-					else if(iAngle < 0.5) iSpeedCorrecRatio = 0.6;
-					else if(iAngle < 1) iSpeedCorrecRatio = 0.5;
-					else iSpeedCorrecRatio = 0.25;
+					if(iAngle < -1)			iSpeedCorrecRatio = 0.5;
+					else if(iAngle < -0.2)	iSpeedCorrecRatio = 1.25;
+					else if(iAngle < 0.1)	iSpeedCorrecRatio = 1;
+					else if(iAngle < 0.25)	iSpeedCorrecRatio = 0.85;
+					else if(iAngle < 0.5)	iSpeedCorrecRatio = 0.6;
+					else if(iAngle < 1)		iSpeedCorrecRatio = 0.5;
+					else					iSpeedCorrecRatio = 0.25;
 					iTime += iSegDistance / 1000 * iSpeedCorrecRatio / 3.5 ; //default speed: 3.5km/h
 				}
 				
-				var iTimeHours = Math.floor(iTime);
-				var iTimeMinutes = Math.round((iTime - iTimeHours) * 4) * 15; //Approx 15 minutes
-				if(iTimeMinutes == 60) {
-					iTimeMinutes = 0;
-					iTimeHours += 1;
+				var iTimeHours = 0, iTimeMinutes = 0;
+				var iTimeDays = Math.floor(iTime/8); //8 hours a day
+				if(iTimeDays > 1) iTimeDays = Math.round(iTimeDays * 2) / 2; //Round down to the closest half day
+				else {
+					iTimeDays = 0;
+					iTimeHours = Math.floor(iTime);
+					iTime -= iTimeHours;
+					
+					iTimeMinutes = Math.floor(iTime * 4) * 15; //Round down to the closest 15 minutes
 				}
-				if(iTimeMinutes==0) iTimeMinutes = '';
-
+				
+				var sDuration = '~ '
+					+(iTimeDays>0?(iTimeDays+(iTimeDays%2==0?'':'½')+' '+oSpot.lang(iTimeDays>1?'unit_days':'unit_day')):'')//Days
+					+((iTimeHours>0 || iTimeDays==0)?iTimeHours+oSpot.lang('unit_hour'):'')									//Hours
+					+((iTimeDays>0 || iTimeMinutes==0)?'':iTimeMinutes)														//Minutes
+				
 				$('<p>', {'class':'detail'}).addIcon('fa-distance fa-fw', true).append(Math.round(iDistance/1000)+'km').appendTo($Tooltip);
-				$('<p>', {'class':'detail'}).addIcon('fa-time fa-fw', true).append('~ '+iTimeHours+'h'+iTimeMinutes).appendTo($Tooltip);
+				$('<p>', {'class':'detail'}).addIcon('fa-time fa-fw', true).append(sDuration).appendTo($Tooltip);
 				$('<p>', {'class':'detail'}).addIcon('fa-elev-gain fa-fw', true).append(iElevGain+'m').appendTo($Tooltip);
 				$('<p>', {'class':'detail'}).addIcon('fa-elev-drop fa-fw', true).append(iElevDrop+'m').appendTo($Tooltip);
 				
@@ -445,7 +454,7 @@ function updateFeed(bFirstChunk, bDiscrete) {
 				
 				self.tmp('updatable', true);
 				
-				if(bFirstChunk && $.isEmptyObject(asData)) toggleFeedPanel(false);
+				if(bFirstChunk) toggleFeedPanel(!$.isEmptyObject(asData));
 			}, {
 				'project_id': self.vars(['project', 'id']),
 				'chunk': self.tmp('news_chunk')