Reference to the trailing mail vs Reference to the trail mail

Some examples from the web:

• Reference to the trailing mail
• This is a creditable result, but when the Pearl dampers are removed and the original lid is screwed back on, the extra overhang brought by the uncontrolled resonances leave it trailing reference performance in the surface noise stakes.
• Alter the mission orders of the trailing Raptor.
• I see some fuel coming off the trailing edge.
• Another formulation is that the pressure must be continuous at the trailing edge.
• One is that there cannot be an infinite change in velocity at the trailing edge.
• All main line trains had to reverse at Carrickfergus Junction because of the trailing connection there.
• Empty trains reversed using the trailing crossover between here and Monument.
• The trailing edges and almost the entire underside of the wings are white.
• Alter the mission orders of the trailing Raptor.
• "Half-ribs" on the trailing edge also improve aerodynamic efficiency.
• The joints of the trailing edge are particularly complex in the so-called transition plate area.
• Mini-ribs on the trailing edge improve handling and performance
• Spiders use silk for many purposes, including the trailing safety dragline, wrapping eggs for reproduction, protective retreats and catching prey.
• I never had you pegged as the trailing-girlfriend type.
• Under Florida law, the trailing candidate in a race this close is entitled to request hand recounts in individual counties.
• The trailing destroyer V1 was hit, followed by the destroyer-minesweepers D8 and T33.
• The trailing hemispheres (those facing away from their directions of orbit) of airless satellites orbiting inside a magnetosphere like Ariel are struck by magnetospheric plasma co-rotating with the planet.
• The trailing edge allowed each flipper to form a hydrofoil that would have enhanced locomotion, as has been previously hypothesized for plesiosaurs.
• Because of the subsonic flow, there is no bow shock off the trailing hemisphere of Ganymede.
• This bombardment may lead to the darkening of the trailing hemispheres observed for all Uranian moons except Oberon (see below).

Some examples from the web:

• Reference to the trail mail
• and trails pictorial references to Fuseli and Michelangelo.
• Because of our qualified professionals and the commitment with the sport, we are a reference for rides, trails, practice and guidance on material and products.
• underwater trail for blind people: creation of an underwater trail with reference point ropes, explanation plaques in Braille, and other aids
• Those controls include a clear audit trail of payments made to research providers and how the amounts paid were determined with reference to the quality criteria referred to in paragraph 1 (b) (iv).
• In spring the excursions on the trail of rhododendrons are a sight not to be missed, while in winter the nearby ski resort of Bielmonte become the reference point for ski enthusiasts.
• As the starting point of the 5 Laghi circuit and of the trail to the beautiful Lake Ritort, it is a popular point of reference in both summer and winter.
• To this forecast the pessimistic Baedeker lent much plausibility by his reference to the road as being unspeakably bad; and besides we ourselves had on the previous day gathered much personal experience of the mountain trails of the region.
• Not a "simple" bike shop but a great bike center, a real reference point for all bikers and cyclists who love the trails and roads of Lake Garda, where you can find 360º what you need for yourself and your bike.
• The references to this world continued also at adidas with the Pharell x adidas Originals NMD Hu Trail, at Nike with the ACG line, to the rediscovery of brands like Merrell and above all Salomon.
• The trail is closed every February for cleaning.
• The trail information provided by Holimites was accurate.
• Much appreciated the trail and pool.
• Widespread is the trails for mountain bikers and horse.
• The trail is visible and clearly marked by a long series of low wooden signs mounted by lateral bands of different colors that distinguish all the trails.
• Also several references to companions, whatever they are.
• Implied consequences without specific reference to physical harm.
• A newer version omits references to sacrifices entirely.
• References to Cohen are quoted where given.
• Such words are meaningless in reference to a Divine revelation.
• Murray made no reference to them.