diff --git a/.swiftpm/xcode/xcshareddata/xcschemes/swift-geo-Package.xcscheme b/.swiftpm/xcode/xcshareddata/xcschemes/swift-geo-Package.xcscheme
index 5480768..2629d5f 100644
--- a/.swiftpm/xcode/xcshareddata/xcschemes/swift-geo-Package.xcscheme
+++ b/.swiftpm/xcode/xcshareddata/xcschemes/swift-geo-Package.xcscheme
@@ -42,9 +42,9 @@
             buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "GeodeticDisplay"
-               BuildableName = "GeodeticDisplay"
-               BlueprintName = "GeodeticDisplay"
+               BlueprintIdentifier = "Geodesy"
+               BuildableName = "Geodesy"
+               BlueprintName = "Geodesy"
                ReferencedContainer = "container:">
             </BuildableReference>
          </BuildActionEntry>
@@ -56,9 +56,9 @@
             buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "Geodesy"
-               BuildableName = "Geodesy"
-               BlueprintName = "Geodesy"
+               BlueprintIdentifier = "GeodeticDisplay"
+               BuildableName = "GeodeticDisplay"
+               BlueprintName = "GeodeticDisplay"
                ReferencedContainer = "container:">
             </BuildableReference>
          </BuildActionEntry>
@@ -84,23 +84,9 @@
             buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "Turf"
-               BuildableName = "Turf"
-               BlueprintName = "Turf"
-               ReferencedContainer = "container:">
-            </BuildableReference>
-         </BuildActionEntry>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "NO"
-            buildForProfiling = "NO"
-            buildForArchiving = "NO"
-            buildForAnalyzing = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "TurfTests"
-               BuildableName = "TurfTests"
-               BlueprintName = "TurfTests"
+               BlueprintIdentifier = "GeodeticConversions"
+               BuildableName = "GeodeticConversions"
+               BlueprintName = "GeodeticConversions"
                ReferencedContainer = "container:">
             </BuildableReference>
          </BuildActionEntry>
@@ -112,9 +98,9 @@
             buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "WGS84"
-               BuildableName = "WGS84"
-               BlueprintName = "WGS84"
+               BlueprintIdentifier = "Turf"
+               BuildableName = "Turf"
+               BlueprintName = "Turf"
                ReferencedContainer = "container:">
             </BuildableReference>
          </BuildActionEntry>
@@ -126,9 +112,9 @@
             buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "TurfMapKit"
-               BuildableName = "TurfMapKit"
-               BlueprintName = "TurfMapKit"
+               BlueprintIdentifier = "TurfCore"
+               BuildableName = "TurfCore"
+               BlueprintName = "TurfCore"
                ReferencedContainer = "container:">
             </BuildableReference>
          </BuildActionEntry>
@@ -140,9 +126,9 @@
             buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "WGS84Core"
-               BuildableName = "WGS84Core"
-               BlueprintName = "WGS84Core"
+               BlueprintIdentifier = "TurfMapKit"
+               BuildableName = "TurfMapKit"
+               BlueprintName = "TurfMapKit"
                ReferencedContainer = "container:">
             </BuildableReference>
          </BuildActionEntry>
@@ -154,9 +140,9 @@
             buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "WGS84Geometry"
-               BuildableName = "WGS84Geometry"
-               BlueprintName = "WGS84Geometry"
+               BlueprintIdentifier = "WGS84"
+               BuildableName = "WGS84"
+               BlueprintName = "WGS84"
                ReferencedContainer = "container:">
             </BuildableReference>
          </BuildActionEntry>
@@ -168,9 +154,9 @@
             buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "WGS84Turf"
-               BuildableName = "WGS84Turf"
-               BlueprintName = "WGS84Turf"
+               BlueprintIdentifier = "WGS84Core"
+               BuildableName = "WGS84Core"
+               BlueprintName = "WGS84Core"
                ReferencedContainer = "container:">
             </BuildableReference>
          </BuildActionEntry>
@@ -182,9 +168,9 @@
             buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "TurfCore"
-               BuildableName = "TurfCore"
-               BlueprintName = "TurfCore"
+               BlueprintIdentifier = "WGS84Geometry"
+               BuildableName = "WGS84Geometry"
+               BlueprintName = "WGS84Geometry"
                ReferencedContainer = "container:">
             </BuildableReference>
          </BuildActionEntry>
@@ -196,9 +182,9 @@
             buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "GeodeticConversions"
-               BuildableName = "GeodeticConversions"
-               BlueprintName = "GeodeticConversions"
+               BlueprintIdentifier = "WGS84Turf"
+               BuildableName = "WGS84Turf"
+               BlueprintName = "WGS84Turf"
                ReferencedContainer = "container:">
             </BuildableReference>
          </BuildActionEntry>
@@ -223,18 +209,47 @@
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES"
-      enableAddressSanitizer = "YES">
+      enableAddressSanitizer = "YES"
+      codeCoverageEnabled = "YES"
+      onlyGenerateCoverageForSpecifiedTargets = "YES">
+      <CodeCoverageTargets>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "Geodesy"
+            BuildableName = "Geodesy"
+            BlueprintName = "Geodesy"
+            ReferencedContainer = "container:">
+         </BuildableReference>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "GeodeticConversions"
+            BuildableName = "GeodeticConversions"
+            BlueprintName = "GeodeticConversions"
+            ReferencedContainer = "container:">
+         </BuildableReference>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "GeodeticGeometry"
+            BuildableName = "GeodeticGeometry"
+            BlueprintName = "GeodeticGeometry"
+            ReferencedContainer = "container:">
+         </BuildableReference>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "Turf"
+            BuildableName = "Turf"
+            BlueprintName = "Turf"
+            ReferencedContainer = "container:">
+         </BuildableReference>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "WGS84"
+            BuildableName = "WGS84"
+            BlueprintName = "WGS84"
+            ReferencedContainer = "container:">
+         </BuildableReference>
+      </CodeCoverageTargets>
       <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "TurfTests"
-               BuildableName = "TurfTests"
-               BlueprintName = "TurfTests"
-               ReferencedContainer = "container:">
-            </BuildableReference>
-         </TestableReference>
          <TestableReference
             skipped = "NO">
             <BuildableReference
diff --git a/Sources/GeodeticConversions/ConvertibleCRS.swift b/Sources/GeodeticConversions/ConvertibleCRS.swift
index b3b9ffd..7ffc173 100644
--- a/Sources/GeodeticConversions/ConvertibleCRS.swift
+++ b/Sources/GeodeticConversions/ConvertibleCRS.swift
@@ -42,7 +42,7 @@ public extension Point {
 	static func + <OtherCRS>(lhs: Self, rhs: Point<OtherCRS>) -> Self
 	where CRS: ConvertibleCRS, OtherCRS: ConvertibleCRS
 	{
-		Self.init(coordinates: lhs.coordinates + rhs.coordinates.to(to: OtherCRS.self))
+		Self.init(coordinates: lhs.coordinates + rhs.coordinates.to(CRS.self))
 	}
 }
 
diff --git a/Tests/TurfCoreTests/Toolbox/MapSnapshot.swift b/Tests/TurfCoreTests/Toolbox/MapSnapshot.swift
index b037142..d8629fb 100644
--- a/Tests/TurfCoreTests/Toolbox/MapSnapshot.swift
+++ b/Tests/TurfCoreTests/Toolbox/MapSnapshot.swift
@@ -45,11 +45,19 @@ func snapshot(
 	assert(points.count == polyline.pointCount)
 	mapView.addOverlay(polyline, level: .aboveRoads)
 
-	while (!delegate.renderingFinished) {
+	while (delegate.renderingStep == .rendering) {
 		// Wait 100ms
 		try await Task.sleep(nanoseconds: 100 * NSEC_PER_MSEC)
 	}
-	return mapView.snapshot
+	switch delegate.renderingStep {
+	case .rendered:
+		return mapView.snapshot
+	case .error(let error):
+		throw XCTSkip(String(describing: error))
+	case .rendering:
+		XCTFail("Unexpected code path: `delegate.renderingStep` should not equal `.rendering`", file: file, line: line)
+		throw XCTSkip()
+	}
 }
 
 extension NSView {
@@ -65,7 +73,11 @@ extension NSView {
 
 final class MapDelegate: NSObject, MKMapViewDelegate {
 
-	var renderingFinished = false
+	enum RenderingStep: Equatable {
+		case rendering, rendered, error(MKError)
+	}
+
+	var renderingStep = RenderingStep.rendering
 
 	func mapView(_ mapView: MKMapView, rendererFor overlay: MKOverlay) -> MKOverlayRenderer {
 		if overlay is MKPolyline {
@@ -77,8 +89,17 @@ final class MapDelegate: NSObject, MKMapViewDelegate {
 		return MKOverlayRenderer()
 	}
 
+	func mapViewDidFailLoadingMap(_ mapView: MKMapView, withError error: Error) {
+		if let error = error as? MKError {
+			self.renderingStep = .error(error)
+		} else {
+			assertionFailure("Error is not a `MKError`: \(error)")
+			self.renderingStep = .error(.init(.unknown, userInfo: [:]))
+		}
+	}
+
 	func mapViewDidFinishRenderingMap(_ mapView: MKMapView, fullyRendered: Bool) {
-		self.renderingFinished = true
+		self.renderingStep = .rendered
 	}
 
 }
diff --git a/Tests/WGS84Tests/WSG84Tests.swift b/Tests/WGS84Tests/WSG84Tests.swift
index 82ff9cf..91c3a69 100644
--- a/Tests/WGS84Tests/WSG84Tests.swift
+++ b/Tests/WGS84Tests/WSG84Tests.swift
@@ -7,6 +7,7 @@
 //
 
 import Geodesy
+import GeodeticConversions
 import WGS84
 import XCTest
 
@@ -14,17 +15,17 @@ final class ConversionTests: XCTestCase {
 	/// Example from <https://epsg.io/transform#s_srs=4979&t_srs=4978&x=90&y=0>.
 	func testEPSG9602() {
 		let c1 = Coordinate2D(x: 0, y: 90)
-		let c2 = c1.transformed(toCRS: WGS84Geographic3DCRS.self)
+		let c2 = c1.to(WGS84Geographic3DCRS.self)
 		XCTAssertEqual(c2, Coordinate3D(x: 0, y: 90, z: 0))
-		let c3 = c2.transformed(toCRS: WGS84GeocentricCRS.self)
-		XCTAssertEqual(c3, Coordinate3DOf<WGS84GeocentricCRS>(
+		let c3 = c2.to(WGS84GeocentricCRS.self)
+		XCTAssertEqual(c3, Coordinates3DOf<WGS84GeocentricCRS>(
 			x: 3.905482530786651e-10,
 			y: .init(WGS84Ensemble.Ellipsoid.semiMajorAxis),
 			z: 0
 		))
-		let c4 = c3.transformed(toCRS: WGS84Geographic3DCRS.self)
+		let c4 = c3.to(WGS84Geographic3DCRS.self)
 		XCTAssertEqual(c4, Coordinate3D(x: 0, y: 90, z: 0))
-		let c5 = c4.transformed(toCRS: WGS84Geographic2DCRS.self)
+		let c5 = c4.to(WGS84Geographic2DCRS.self)
 		XCTAssertEqual(c5, c1)
 	}