8 files changed, 9 insertions, 0 deletions
diff --git a/nad/CH b/nad/CH
index 7ae73187..80b6967f 100644
--- a/nad/CH
+++ b/nad/CH
@@ -16,6 +16,7 @@
 #
 # This init file uses the official one
 #
+<metadata> +origin=Swisstopo +lastupdate=2012-02-27
 # CH1903/LV03
 <1903_LV03>  +proj=somerc +lat_0=46.95240555555556 +lon_0=7.439583333333333 +k_0=1 +x_0=600000 +y_0=200000 +ellps=bessel +units=m +nadgrids=chenyx06etrs.gsb +no_defs
 # CH1903
diff --git a/nad/GL27 b/nad/GL27
index dd927bd2..73fa9754 100644
--- a/nad/GL27
+++ b/nad/GL27
@@ -1,5 +1,6 @@
 # SCCSID @(#)GL27	1.1 93/08/25 GIE REL
 # Great Lakes Grids
+<metadata> +lastupdate=1993-08-25
 <erie-etal> # Lake Erie, Ontario and St. Lawrence River.
 	proj=omerc ellps=clrk66 k_0=0.9999
 	lonc=78d00'W lat_0=44d00'N alpha=55d40'
diff --git a/nad/IGNF b/nad/IGNF
index 5a5d559a..a29657fb 100644
--- a/nad/IGNF
+++ b/nad/IGNF
@@ -1,3 +1,4 @@
+<metadata> +version=1.0.0 +origin=IGNF +lastupdate=2011-11-27
 # W [AMANU49]
 # W [AMANU63]
 <AMST63> +title=Ile d'Amsterdam 1963 +proj=geocent +towgs84=109.7530,-528.1330,-362.2440 +a=6378388.0000 +rf=297.0000000000000 +units=m +no_defs <>
diff --git a/nad/epsg b/nad/epsg
index 5159b79d..4276161d 100644
--- a/nad/epsg
+++ b/nad/epsg
@@ -1,3 +1,4 @@
+<metadata> +version=9.0.0 +origin=EPSG +lastupdate=2017-01-10
 # HD1909
 <3819> +proj=longlat +ellps=bessel +towgs84=595.48,121.69,515.35,4.115,-2.9383,0.853,-3.408 +no_defs  <>
 # TWD67
diff --git a/nad/esri b/nad/esri
index b59fa216..36e35be2 100644
--- a/nad/esri
+++ b/nad/esri
@@ -1,3 +1,4 @@
+<metadata> +origin=Esri +lastupdate=2017-02-26
 # Anguilla 1957 / British West Indies Grid
 <2000> +proj=tmerc +lat_0=0 +lon_0=-62 +k=0.999500 +x_0=400000 +y_0=0 +ellps=clrk80 +units=m +no_defs <>
 # Antigua 1943 / British West Indies Grid
diff --git a/nad/nad27 b/nad/nad27
index 6e06900c..c5e43962 100644
--- a/nad/nad27
+++ b/nad/nad27
@@ -4,6 +4,7 @@
 #     State Plane Coordinate Systems,
 #     North American Datum 1927
 
+<metadata> +lastupdate=1992-12-20
 # 101: alabama east: nad27
 <101> proj=tmerc  datum=NAD27
 lon_0=-85d50 lat_0=30d30 k=.99996
diff --git a/nad/nad83 b/nad/nad83
index e740a4d5..1b65f519 100644
--- a/nad/nad83
+++ b/nad/nad83
@@ -4,6 +4,7 @@
 #     State Plane Coordinate Systems,
 #     North American Datum 1983
 
+<metadata> +lastupdate=1992-12-20
 # 101: alabama east: nad83
 <101> proj=tmerc  datum=NAD83
 lon_0=-85d50 lat_0=30d30 k=.99996
diff --git a/nad/world b/nad/world
index 092df230..9119eed8 100644
--- a/nad/world
+++ b/nad/world
@@ -1,6 +1,8 @@
 # SCCSID @(#)world	1.2 95/08/05 GIE REL
 # proj +init files for various non-U.S. coordinate systems.
 #
+<metadata> +lastupdate=2016-12-12
+
 <CH1903> # Swiss Coordinate System
 	+proj=somerc +lat_0=46d57'8.660"N +lon_0=7d26'22.500"E
 	+ellps=bessel +x_0=600000 +y_0=200000