diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 00040c1..5598d9e 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -4,6 +4,9 @@ repos:
     hooks:
     -   id: end-of-file-fixer
     -   id: trailing-whitespace
+    -   id: check-yaml
+    -   id: check-toml
+    -   id: check-added-large-files
 -   repo: https://github.com/psf/black
     rev: 22.6.0
     hooks:
diff --git a/aukpy/create_tables.sql b/aukpy/create_tables.sql
index a9c4662..19ff685 100644
--- a/aukpy/create_tables.sql
+++ b/aukpy/create_tables.sql
@@ -6,6 +6,8 @@ CREATE TABLE IF NOT EXISTS location_data (
     state_code text,
     county text,
     county_code text,
+    longitude float,
+    latitude float,
     locality text,
     locality_id integer,
     locality_type text,
@@ -13,7 +15,7 @@ CREATE TABLE IF NOT EXISTS location_data (
     atlas_block text,
     bcr_code integer,
     iba_code text,
-    UNIQUE(country, country_code, state, state_code, county, county_code, locality, locality_id, locality_type, usfws_code, atlas_block)
+    UNIQUE(country, state, county, locality_id, usfws_code, atlas_block, longitude, latitude)
 );
 
 CREATE TABLE IF NOT EXISTS bcrcode (id integer PRIMARY KEY, bcr_code text, UNIQUE(bcr_code));
@@ -63,8 +65,6 @@ CREATE TABLE IF NOT EXISTS sampling_event (
     effort_area_ha float,
     duration_minutes integer,
     trip_comments text,
-    latitude float,
-    longitude float,
     all_species_reported integer,
     number_observers integer,
     UNIQUE(sampling_event_identifier)
diff --git a/aukpy/db.py b/aukpy/db.py
index 63759a1..9bb7859 100644
--- a/aukpy/db.py
+++ b/aukpy/db.py
@@ -229,6 +229,8 @@ class LocationWrapper(TableWrapper):
         "state_code",
         "county",
         "county_code",
+        "longitude",
+        "latitude",
         "locality",
         "locality_id",
         "locality_type",
@@ -238,9 +240,17 @@ class LocationWrapper(TableWrapper):
         "iba_code",
     )
     insert_query = """INSERT OR IGNORE INTO location_data
-    ('country', 'country_code', 'state', 'state_code', 'county', 'county_code', 'locality', 'locality_id', 'locality_type', 'usfws_code', 'atlas_block', 'bcr_code', 'iba_code')
-    VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"""
-    unique_columns = ("country", "state", "county", "locality_id", "atlas_block")
+    ('country', 'country_code', 'state', 'state_code', 'county', 'county_code', 'longitude', 'latitude', 'locality', 'locality_id', 'locality_type', 'usfws_code', 'atlas_block', 'bcr_code', 'iba_code')
+    VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"""
+    unique_columns = (
+        "country",
+        "state",
+        "county",
+        "locality_id",
+        "atlas_block",
+        "longitude",
+        "latitude",
+    )
 
     @classmethod
     def df_processing(cls, df: pd.DataFrame) -> pd.DataFrame:
@@ -300,14 +310,12 @@ class SamplingWrapper(TableWrapper):
         "effort_area_ha",
         "duration_minutes",
         "trip_comments",
-        "latitude",
-        "longitude",
         "all_species_reported",
         "number_observers",
     )
     insert_query = """INSERT OR IGNORE INTO sampling_event
-        (sampling_event_identifier, observation_date, time_observations_started, observer_id, effort_distance_km, effort_area_ha, duration_minutes, trip_comments, latitude, longitude, all_species_reported, number_observers)
-        VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+        (sampling_event_identifier, observation_date, time_observations_started, observer_id, effort_distance_km, effort_area_ha, duration_minutes, trip_comments, all_species_reported, number_observers)
+        VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
     """
     unique_columns = ("sampling_event_identifier",)
 
diff --git a/aukpy/queries.py b/aukpy/queries.py
index 7422e7b..8eb7f5c 100644
--- a/aukpy/queries.py
+++ b/aukpy/queries.py
@@ -8,7 +8,6 @@
     Iterable,
     List,
     Optional,
-    Sequence,
     Union,
     Tuple,
     Any,