diff --git a/internal/erf/erf.go b/internal/erf/erf.go
index 711af01..8830ac1 100644
--- a/internal/erf/erf.go
+++ b/internal/erf/erf.go
@@ -82,23 +82,24 @@ var extensionTypes = map[string]uint16{
 	"txi": 0x07E6,
 	"git": 0x07E7,
 	"uti": 0x07E9,
-	"utt": 0x07EA,
 	"utc": 0x07EB,
 	"dlg": 0x07ED,
 	"itp": 0x07EE,
-	"uts": 0x07F0,
+	"utt": 0x07F0,
 	"dds": 0x07F1,
+	"uts": 0x07F3,
 	"fac": 0x07F6,
 	"gff": 0x07F7,
-	"ute": 0x07F9,
-	"utd": 0x07FB,
+	"ute": 0x07F8,
+	"utd": 0x07FA,
 	"utp": 0x07FC,
 	"dfa": 0x07FD,
 	"gic": 0x07FE,
 	"gui": 0x07FF,
-	"utm": 0x0800,
+	"utm": 0x0803,
 	"dwk": 0x0804,
 	"pwk": 0x0805,
+	"utg": 0x0807,
 	"jrl": 0x0808,
 	"utw": 0x080A,
 	"ssf": 0x080C,
@@ -146,23 +147,24 @@ var typeExtensions = map[uint16]string{
 	0x07E6: "txi",
 	0x07E7: "git",
 	0x07E9: "uti",
-	0x07EA: "utt",
 	0x07EB: "utc",
 	0x07ED: "dlg",
 	0x07EE: "itp",
-	0x07F0: "uts",
+	0x07F0: "utt",
 	0x07F1: "dds",
+	0x07F3: "uts",
 	0x07F6: "fac",
 	0x07F7: "gff",
-	0x07F9: "ute",
-	0x07FB: "utd",
+	0x07F8: "ute",
+	0x07FA: "utd",
 	0x07FC: "utp",
 	0x07FD: "dfa",
 	0x07FE: "gic",
 	0x07FF: "gui",
-	0x0800: "utm",
+	0x0803: "utm",
 	0x0804: "dwk",
 	0x0805: "pwk",
+	0x0807: "utg",
 	0x0808: "jrl",
 	0x080A: "utw",
 	0x080C: "ssf",
diff --git a/internal/erf/erf_test.go b/internal/erf/erf_test.go
index 6e82b43..628c04e 100644
--- a/internal/erf/erf_test.go
+++ b/internal/erf/erf_test.go
@@ -97,3 +97,34 @@ func TestExtensionMappingsSupportModernAssetTypes(t *testing.T) {
 		}
 	}
 }
+
+func TestExtensionMappingsSupportAllUTBlueprintTypes(t *testing.T) {
+	cases := map[string]uint16{
+		"uti": 0x07E9,
+		"utc": 0x07EB,
+		"utt": 0x07F0,
+		"uts": 0x07F3,
+		"ute": 0x07F8,
+		"utd": 0x07FA,
+		"utp": 0x07FC,
+		"utm": 0x0803,
+		"utg": 0x0807,
+		"utw": 0x080A,
+	}
+	for ext, wantType := range cases {
+		gotType, ok := ResourceTypeForExtension(ext)
+		if !ok {
+			t.Fatalf("expected %s to resolve to a resource type", ext)
+		}
+		if gotType != wantType {
+			t.Fatalf("expected %s type 0x%04X, got 0x%04X", ext, wantType, gotType)
+		}
+		gotExt, ok := ExtensionForResourceType(wantType)
+		if !ok {
+			t.Fatalf("expected type 0x%04X to resolve back to an extension", wantType)
+		}
+		if gotExt != ext {
+			t.Fatalf("expected type 0x%04X to resolve to %s, got %s", wantType, ext, gotExt)
+		}
+	}
+}
diff --git a/internal/pipeline/pipeline_test.go b/internal/pipeline/pipeline_test.go
index 60e4675..11a67e0 100644
--- a/internal/pipeline/pipeline_test.go
+++ b/internal/pipeline/pipeline_test.go
@@ -178,6 +178,61 @@ func TestExtractReadsHAKAssets(t *testing.T) {
 	}
 }
 
+func TestExtractReadsSoundBlueprintResources(t *testing.T) {
+	root := t.TempDir()
+	mustMkdir(t, filepath.Join(root, "src"))
+	mustMkdir(t, filepath.Join(root, "assets"))
+	mustMkdir(t, filepath.Join(root, "build"))
+
+	mustWriteFile(t, filepath.Join(root, "nwn-tool.json"), `{
+  "module": {
+    "name": "Test Module",
+    "resref": "testmod"
+  },
+  "paths": {
+    "source": "src",
+    "assets": "assets",
+    "build": "build"
+  }
+}
+`)
+
+	p, err := project.Load(root)
+	if err != nil {
+		t.Fatalf("load project: %v", err)
+	}
+	if err := p.ValidateLayout(); err != nil {
+		t.Fatalf("validate layout: %v", err)
+	}
+	if err := p.Scan(); err != nil {
+		t.Fatalf("scan: %v", err)
+	}
+
+	archiveFile, err := os.Create(filepath.Join(root, "build", "testmod.mod"))
+	if err != nil {
+		t.Fatalf("create mod: %v", err)
+	}
+	if err := erf.Write(archiveFile, erf.New("MOD ", []erf.Resource{
+		{Name: "S_AL_CANDLE01", Type: 0x07F3, Data: minimalGFF(t, "UTS")},
+	})); err != nil {
+		t.Fatalf("write mod: %v", err)
+	}
+	if err := archiveFile.Close(); err != nil {
+		t.Fatalf("close mod: %v", err)
+	}
+
+	result, err := Extract(p)
+	if err != nil {
+		t.Fatalf("extract: %v", err)
+	}
+	if result.Written != 1 {
+		t.Fatalf("expected 1 extracted sound blueprint, got %d", result.Written)
+	}
+	if _, err := os.Stat(filepath.Join(root, "src", "blueprints", "sounds", "s_al_candle01.uts.json")); err != nil {
+		t.Fatalf("expected extracted sound blueprint: %v", err)
+	}
+}
+
 func TestExtractDefaultOnlyReadsConfiguredModuleArchive(t *testing.T) {
 	root := t.TempDir()
 	mustMkdir(t, filepath.Join(root, "src", "module"))
@@ -3368,6 +3423,20 @@ func mustWriteFile(t *testing.T, path, data string) {
 	}
 }
 
+func minimalGFF(t *testing.T, fileType string) []byte {
+	t.Helper()
+	document := gff.Document{
+		FileType:    fileType + " ",
+		FileVersion: "V3.2",
+		Root:        gff.Struct{Type: 0},
+	}
+	var buf bytes.Buffer
+	if err := gff.Write(&buf, document); err != nil {
+		t.Fatalf("write %s gff: %v", fileType, err)
+	}
+	return buf.Bytes()
+}
+
 func TestBuildHAKsFailsForDuplicateResourcesInSameHAK(t *testing.T) {
 	root := t.TempDir()
 	mustMkdir(t, filepath.Join(root, "src"))